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|lshtext=<b>sī</b>: (orig. and [[ante]]-[[class]]. form seī),<br /><b>I</b> conj. from a pronominal [[stem]] = Gr. ἑ>; Sanscr. sva-, [[self]]; cf. Corss. Ausspr. 1, 778; Curt. Gr. Etym. 396], a conditional [[particle]], if.<br /><b>I</b> Prop.<br />&nbsp;&nbsp;&nbsp;<b>a</b> With indic.; so in gen., in conditions [[which]] are [[assumed]] to be true, [[with]] the [[verb]] in pres. or perf.; [[less]] freq. in imperf or pluperf.; and in conditions [[which]] [[may]] [[probably]] [[become]] true, [[with]] the [[verb]] in fut. or fut. perf. (Madv. Gram. § 332; Zumpt, Gram. § 517).<br />&nbsp;&nbsp;&nbsp;<b>(a)</b>&nbsp;&nbsp;&nbsp; Pres.: SI IN IVS VOCAT, Fragm. XII. Tab. ap. Gell. 20, 1, 25, and ap. Porphyr. Hor. S. 1, 9, 65: SI MORBVS AEVITASVE VITIVM ESCIT ... SI NOLET, etc., id. ap. Gell. l. l.: [[spero]], si [[speres]] [[quicquam]] [[prodesse]] [[potis]] sunt, Enn. ap. Fest. p. 333 Müll. (Ann. v. 410 Vahl.): si vis, dabo [[tibi]] testes, Cic. Rep. 1, 37, 58: si voltis, id. ib. 1, 28, 44: si placet, id. ib. 2, 44, 71; 1, 21, 34: si tuo [[commodo]] fleri potest, id. ib. 1, 9, 14: si studia Graecorum vos tanto opere delectant, id. ib. 1, 18, 30: si [[populus]] plurimum potest, id. ib. 3, 14, 23: si Massilienses per delectos cives summā justitiā reguntur, inest [[tamen]], etc., id. ib. 1, 27, 43; cf. id. Off. 3, 8, 35: [[quid]] est, [[Catilina]], [[quod]] jam [[amplius]] exspectes, si nec privata [[domus]] continere voces conjurationis tuae potest? si illustrantur, si erumpunt omnia? id. Cat. 1, 3, 6: si [[pudor]] quaeritur, si [[probitas]], si [[fides]], [[Mancinus]] haec attulit, id. Rep. 3, 18, 28: Si quaerimus, [[cur]], etc., id. Brut. 95, 325. —Strengthened by [[modo]]: magnifica [[quidem]] res, si [[modo]] est ulla, Cic. Div. 1, 1, 1: deliget [[populus]], si [[modo]] [[salvus]] esse vult, optimum quemque, id. Rep. 1, 34, 51: quae ([[virtus]]) est una, si [[modo]] est, [[maxime]] munifica, id. ib. 3, 8, 12; id. Tusc. 2, 4, 33; id. de Or. 2, 43, 182: si [[quisquam]] est [[facilis]], hic est, id. Att. 14, 1, 2: si ulla res est, [[quam]] [[tibi]] me petente faciendam putes, haec ea [[sit]], id. Q. Fr. 1, 2, 3, § 11: SI AGNATVS NEC ESCIT, GENTILIS FAMILIAM NANCITOR, Fragm. XII. Tab. in Collat. Leg. Mos. et Rom. 16, 4: quae ([[libertas]]), si aequa non est, ne [[libertas]] [[quidem]] est, Cic. Rep. 1, 31, 47; 1, 32, 49: id si [[minus]] intellegitur, ex dissensionibus percipi potest, id. Lael. 7, 23: BACANALIA SEI QVA SVNT, EXSTRAD QVAM SEI QVID IBEI SACRI EST ... FACIATIS VTEI DISMOTA SIENT, S. C. de Bacch. fin.: dicito, si [[quid]] vis, non nocebo, Plaut. Am. 1, 1, 235: si qui sunt, qui philosophorum auctoritate moveantur, Cic. Rep. 1, 7, 12: si [[quid]] generis [[istiusmodi]] me delectat, [[pictura]] delectat, id. Fam. 7, 23, 3: si aliquid dandum est voluptati, id. Sen. 13, 44; [[four]] times [[repeated]], id. ib. 11, 38.—So esp. [[after]] mirum est or [[miror]], as expressing [[reality]] (= [[quod]] or cum; cf. Gr. εἰ>): noli mirari, si hoc non impetras, Cic. Verr. 2, 2, 11, § 29: ecquid mirum est, si tam ab [[amico]] [[animo]] pacem petit? Curt 4, 11, 4: miraris, si superbiam tuam ferre non possumus? id. 8, 7, 14.— With a [[negative]] [[conclusion]], to [[denote]] [[that]], [[although]] the [[condition]] is true, or is conceded, a [[certain]] [[inference]] does not [[follow]]: nec, si omne [[enuntiatum]] aut [[verum]] aut falsum est, sequitur [[ilico]] esse causas, etc., Cic. Fat. 12, 28: nec. si non obstatur, [[propterea]] [[etiam]] permittitur, id. Phil. 13, 6, 19: si veniam meretur qui inprudens nocuit, non meretur [[praemium]] qui inprudens profuit, Quint. 5, 10, 73: nec [[ideo]] [[ignis]] [[minus]] urere potest, si in materiam incidit inviolabilem flammis, Sen. Ben. 5, 5, 1.—<br />&nbsp;&nbsp;&nbsp;<b>(b)</b>&nbsp;&nbsp;&nbsp; Imperf.: ea si erant, magnas habebas omnibus, dis gratias, Plaut. As. 1, 2, 17; Cic. Rep. 1, 27, 43: si [[quis]] [[antea]] mirabatur, [[quid]] esset, [[quod]], etc., id. Sest. 1.—<br />&nbsp;&nbsp;&nbsp;<b>(g)</b>&nbsp;&nbsp;&nbsp; Perf.: SI MEMBRVM RVPIT NI CVM EO PACIT TALIO ESTO, Fragm. XII. Tab. ap. Fest. s. v. [[talio]], p. 363 Müll.: si animum contulisti in istam rationem, etc., Cic. Rep. 1, 23, 37: si [[Roma]] condita est [[secundo]] [[anno]] Olympiadis septimae, etc., id. ib. 2, 10, 18: quos (tyrannos) si boni oppresserunt, recreatur [[civitas]]: [[sin]] audaces, [[fit]] [[illa]] [[factio]], id. ib. 1, 44, 68; cf. id. ib. 1, 42, 65: si ita sensit, ut loquitur, id. ib. 3, 21, 32; 1, 27, 43: si [[modo]] hoc in Lycurgi potestate potuit esse, id. ib. 2, 12, 24: si [[modo]] in philosophiā aliquid profecimus, id. Off. 3, 8, 37: si [[quis]] eorum (servorum) sub centone crepuit, nullum mihi [[vitium]] facit, [[Cato]] ap. Fest. s. v. prohibere, p. 234 sq. Müll.: si [[quid]] [[sceleste]] fecit, Plaut. As. 2, 2, 27: si [[quam]] opinionem jam vestris mentibus comprehendistis, etc., Cic. Clu. 2, 6: si [[quando]] regi justo vim [[populus]] attulit regnove eum spoliavit, etc., id. Rep. 1, 42, 65; cf. id. ib. 1, 38, 59; id. Lael. 7, 24.—After mirum est or [[miror]], to [[express]] a [[reality]] (cf. α, [[supra]]): [[minime]] mirum, si ista res [[adhuc]] nostrā linguā inlustrata non est, Cic. de Or. 2, 13, 55; id. Deiot. 4, 12: [[quid]] mirum, si haec [[invitus]] amisi? Tac. A. 12, 37: miraris, si eo tempore [[matrona]] dicere potuit, escende? Sen. Contr. 2, 13, 1: [[minime]] est mirandum, si [[vita]] ejus fuit secura, Nep. Cim. 4, 4.—Very [[often]] followed by [[certe]], [[profecto]], etc., to [[express]] a [[conclusion]], as [[certain]] as the [[unquestionable]] [[assumption]]: [[quod]] si fuit in re publicā [[tempus]] ullum, cum, etc., tum [[profecto]] fuit, Cic. Brut. 2, 7: si [[quisquam]] fuit [[umquam]] [[remotus]] ab inani laude, ego [[profecto]] is [[sum]], id. Fam. 15, 4, 13: [[etenim]] si nulla fuit [[umquam]] tam imbecillo [[mulier]] [[animo]], quae, etc., [[certe]] nos, etc., id. Fam. 5, 16, 6: si [[umquam]] in dicendo fuimus aliquid, tum [[profecto]], etc., id. Att. 4, 2, 2; id. Mil. 2, 4; 7, 19.—Esp. [[with]] a [[negative]] [[conclusion]] (v. α fin. [[supra]], and cf. [[quia]], [[etsi]]): non, si [[tibi]] [[ante]] profuit, [[semper]] proderit, Cic. Phil. 8, 4, 12: non, si Opimium defendisti, [[idcirco]] te [[isti]] [[bonum]] civem putabunt, id. de Or. 2, 40, 170: [[neque]] [[enim]], si tuae res gestae ceterorum laudibus obscuritatem attulerunt, [[idcirco]] [[Pompeii]] memoriam amisimus, id. Deiot. 4, 12: nec, si capitis dolorem facit, [[inutilis]] hominibus sol est, Quint. 5, 10, 82.—<br />&nbsp;&nbsp;&nbsp;<b>(d)</b>&nbsp;&nbsp;&nbsp; Pluperf.: si improbum Cresphontem existimaveras, etc., Enn. ap. Auct. Her. 2, 24, 38: nec mirum, eos si orationes turbaverant, Liv. 32, 20, 2 (Trag. v. 156 Vahl.): si hoc ita fato datum erat, ut, Liv. 30, 30, 3.—So esp. in indef. clauses of [[repeated]] [[action]]: plausum si [[quis]] eorum [[aliquando]] acceperat, ne [[quid]] peccasset pertimescebat, [[whenever]], Cic. Sest. 49, 105: si [[quando]] nostri navem religaverant, hostes succurrebant, Caes. B. C. 2, 6: si [[quando]] suis fortunis [[forte]] desperare coeperant, id. B. G. 3, 12.—（ε) Fut.: SI VOLET SVO VIVITO ... SI VOLET PLVS DATO, Fragm. XII. Tab. ap. Gell. 20, 1, 45; cf.: si voles advortere animum, [[comiter]] monstrabitur, Enn. ap. Varr. L. L. 7, § 89 Müll. (Trag. v. 386 Vahl.); and: [[alte]] spectare si voles, etc., Cic. Rep. 6, 23, 25: si jam eminebit [[foras]], id. ib. 6, 26, 29: si me audietis, id. ib. 1, 19, 32: si mutuas non potero certum est sumam fenore, Plaut. As. 1, 3, 95: id persequar, si potero, subtilius, Cic. Rep. 2, 23, 42; cf. in the foll. ζ: [[nihil]] (offendet) si [[modo]] [[opus]] exstabit, id. ib. 5, 3, 5: si [[quid]] te volam, ubi eris? Plaut. As. 1, 1, 96: si [[quod]] aliud οἰκεῖον reperies, Cic. Att. 1, 10, 3.—（ζ) Fut. perf.: si te hic offendero, moriere, Enn. ap. Cic. Att. 7, 26, 1 (Trag. v. 301 Vahl.): si nostram rem publicam [[vobis]] et nascentem et crescentem ostendero, Cic. Rep. 2, 1, 3: tum [[magis]] assentiere, si ad majora pervenero, id. ib. 1, 40, 62: expediri quae restant vix poterunt, si hoc incohatum reliqueris, id. ib. 1, 35, 55; 1, 24, 38: pergratum mihi feceris, si de amicitiā disputaris, id. Lael. 4, 16: accommodabo ad eam (rem publicam), si potuero, omnem illam orationem, etc. ... [[quod]] si [[tenere]] et consequi potuero, etc., id. Rep. 1, 46, 70; so, si potuero, id. ib. 2, 30, 53; id. Brut. 5, 21: si potuerit, id. Off. 3, 23, 89: si [[modo]] id exprimere Latine potuero, id. Rep. 1, 43, 66: si [[modo]] interpretari potuero, id. Leg. 2, 18, 45: si ne ei [[caput]] exoculassitis, Plaut. Rud. 3, 4, 26: si [[quid]] vos per laborem recte feceritis ... Sed si quā per voluptatem [[nequiter]] feceritis, etc., [[Cato]] ap. Gell. 16, 1, 4: de iis te, si qui me [[forte]] [[locus]] admonuerit, commonebo, Cic. de Or. 3, 12, 47.—<br />&nbsp;&nbsp;&nbsp;<b>b</b> With subj.; so in gen. of conditions [[assumed]] in [[statement]], [[but]] [[implied]] not to be [[actual]]; the [[verb]] in pres. ([[rarely]] perf.) implies [[that]] the [[condition]] is [[still]] [[possible]]; in the imperf. and pluperf., [[that]] it is [[known]] to be [[unreal]] (Madv. Gram. § 347 sqq.; Zumpt, Gram. § 524).<br />&nbsp;&nbsp;&nbsp;<b>(a)</b>&nbsp;&nbsp;&nbsp; Pres.: si habeat [[aurum]], Plaut. Bacch. 1, 1, 12: abire [[hinc]] nullo pacto possim, si velim, id. ib. 2, 2, 2; so, si velim, Cic. Rep. 3, 10, 17: cum ipsi [[auxilium]] ferre, si cupiant, non queant, id. ib. 1, 5, 9: si singulos numeremus, id. ib. 3, 4, 7: si jus suum populi teneant, id. ib. 1, 32, 48: si Scipionis desiderio me moveri negem, id. Lael. 3, 10: si ad verba rem deflectere velimus, id. Caecin. 18, 51: si [[quis]] varias gentes despicere possit, videat [[primum]], etc., id. Rep. 3, 9, 14.—In expressing a [[wish]] ([[poet]]. for [[utinam]]), usu. [[with]] O: O si [[angulus]] [[ille]] accedat, qui, etc., Hor. S. 2, 6, 8; 2, 6, 10: O mihi praeteritos referat si [[Juppiter]] annos, Verg. A. 8, 560; also [[alone]]: si [[nunc]] se nobis [[ille]] [[aureus]] arbore [[ramus]] Ostendat nemore in tanto! would [[that]], [[yet]] if, if [[however]], id. ib. 6, 187: si quā fata aspera rumpas, Tu [[Marcellus]] eris, id. ib. 6, 882; cf. β, [[infra]].—<br />&nbsp;&nbsp;&nbsp;<b>(b)</b>&nbsp;&nbsp;&nbsp; Imperf.: qui si [[unus]] omnia consequi posset, [[nihil]] [[opus]] esset pluribus, etc., Cic. Rep. 1, 34, 52: quae [[descriptio]] si esset ignota [[vobis]], explicaretur a me, id. ib. 2, 22, 39: si ullum probarem [[simplex]] rei publicae [[genus]], id. ib. 2, 23, 43: [[quod]] non fecissent [[profecto]], si [[nihil]] ad eos pertinere arbitrarentur, id. Lael. 4, 13; cf. id. Verr. 2, 5, 51, § 133; v. Zumpt, Gram. § 525: SEI QVES ESENT, QVEI SIBEI DEICERENT, S. C. de Bacch ([[twice]]). —Also [[with]] O, expressing a [[wish]] ([[poet]].): O si solitae [[quicquam]] virtutis adesset, Verg. A. 11, 415; and [[without]] O: si mihi, quae [[quondam]] fuerat ... si [[nunc]] foret [[illa]] juventus, id. ib. 5, 398.—<br />&nbsp;&nbsp;&nbsp;<b>(g)</b>&nbsp;&nbsp;&nbsp; Perf.: SI INIVRIAM FAXIT ALTERI, VIGINTI QVINQVE AERIS POENAE SVNTO, Fragm. XII. Tabularum ap. Gell. 20, 1, 12: si jam [[data]] [[sit]] [[frux]], Enn. ap. Prisc. p. 724 P. (Ann. v. 412 Vahl.): perii, si me aspexerit! Plaut. Am. 1, 1, 164: [[victus]] [[sum]], si dixeris, id. ib. 1, 1, 272: Romani si casu intervenerint, Caes. B. G. 7, 20, Cic. Rep. 3, 5, 8.—<br />&nbsp;&nbsp;&nbsp;<b>(d)</b>&nbsp;&nbsp;&nbsp; Pluperf.: si [[aliter]] accidisset, Cic. Rep. 1, 4, 7: tum [[magis]] id diceres, si [[nuper]] in hortis Scipionis affuisses, id. Lael. 7, 25: mansisset [[eadem]] [[voluntas]] in eorum posteris, si regum [[similitudo]] permansisset, id. Rep. 1, 41, 64: si id fecisses, id. Phil. 2, 2, 3; 2, 15, 38; 2, 36, 90: si [[quis]] in [[caelum]] ascendisset, etc., id. Lael. 23, 88: si aliquid de summā [[gravitate]] [[Pompeius]] remisisset, id. Phil. 13, 1, 2.—<br />&nbsp;&nbsp;&nbsp;<b>c</b> Ellipt.<br />&nbsp;&nbsp;&nbsp;<b>(a)</b>&nbsp;&nbsp;&nbsp; With pron. indef: istae artes, si [[modo]] aliquid, valent, ut acuant ingenia, Cic. Rep. 1, 18, 30: aut [[nemo]], aut, si [[quisquam]], [[ille]] [[sapiens]] fuit, id. Lael. 2, 9; id. Or. 29, 103.—<br />&nbsp;&nbsp;&nbsp;<b>(b)</b>&nbsp;&nbsp;&nbsp; In a [[negation]], usu. si [[minus]], si [[contra]] (= [[sin]] [[minus]], [[sin]] [[aliter]]): [[plures]] haec tulit una [[civitas]], si [[minus]] sapientes, at [[certe]] summā laude dignos, Cic. Rep. 3, 4, 7: educ [[tecum]] omnes tuos: si [[minus]], [[quam]] plurimos, id. Cat. 1, 5, 10; id. de Or. 2, 16, 68, in this [[sense]] [[less]] freq. si non: [[utrum]] [[cetera]] nomina digesta habes an non? Si non ... si [[etiam]], id. Rosc. Com. 3, 9: si haec [[civitas]] est, civem esse me: si non, exsulem esse, etc., id. Fam. 7, 3, 5; Plaut. Rud. 4, 3, 104 sq.; id. Ps. 3, 2, 87; id. Poen. 5, 2, 24; Hor. Ep. 1, 1, 66; 1, 6, 68; Liv. 28, 29, 4: hic venit in judicium, si [[nihil]] aliud, [[saltem]] ut, etc., Cic. Verr. 2, 1, 58, § 152; so, si [[nihil]] aliud, Liv 22, 29; 30, 35; 45, 37 fin., Curt. 4, 6, 28: si aliud [[nihil]], id. 2, 43.—<br />&nbsp;&nbsp;&nbsp;<b>(g)</b>&nbsp;&nbsp;&nbsp; With [[forte]]: intelleges esse [[nihil]] a me [[nisi]] orationis acerbitatem et, si [[forte]], [[raro]] litterarum missarum indiligentiam reprehensam, [[perhaps]], Cic. Q. Fr. 1, 2, 2, § 7; cf.: [[vereor]], ne [[nihil]] sim tui, [[nisi]] supplosionem [[pedis]] [[imitatus]] et pauca quaedam verba et aliquem, si [[forte]], motum, id. de Or. 3, 12, 47.—<br />&nbsp;&nbsp;&nbsp;<b>2</b>&nbsp;&nbsp;&nbsp; With [[quod]], and if, [[but]] if, if [[however]], if: [[quod]] si in philosophiā [[tantum]] [[interest]] ... [[quid]] [[tandem]] in causis existimandum est? Cic. Or. 16, 51: [[quod]] si fuit in re publicā [[tempus]] ullum ... tum [[profecto]] fuit, id. Brut. 2, 7: [[quod]] si exemeris ex rerum naturā benevolentiae conjunctionem, nec [[domus]] ulla nec [[urbs]] [[stare]] poterit, id. Lael. 7, 23; id. Rep. 3, 4, 7: [[quod]] si non hic [[tantus]] [[fructus]] ostenderetur et si ex his studiis [[delectatio]] sola peteretur: [[tamen]], etc., id. Arch. 7, 16; id. Cat. 2, 5, 10; id. Rosc. Com. 18, 54.—<br />&nbsp;&nbsp;&nbsp;<b>B</b> In partic.<br />&nbsp;&nbsp;&nbsp;<b>1</b>&nbsp;&nbsp;&nbsp; In [[subject]] or [[object]]-clauses, si [[with]] subj. [[sometimes]] takes the [[place]] of an inf.: [[apud]] Graecos opprobrio fuit adulescentibus, si amatores non haberent, Cic. Rep. 4, 3, 3: [[summa]] [[gloria]] [[constat]] ex [[tribus]] his; si diligit [[multitudo]], si fidem habet, etc., id. Off. 2, 9, 31: unam esse spem salutis docent, si eruptione factā extremum [[auxilium]] experirentur, Caes. B. G. 3, 5: illud ignoscere aequum erit, si ... ne tuam [[quidem]] gloriam praeponam, etc., Liv. 28, 41, 1; Nep. Ages. 4, 3: infinitum est, si singulos velim persequi. Sen. Q. N. 5, 17, 5; id. Tranq. 16, 2 (cf. si [[after]] mirum est, I. a. fin. [[supra]]).—<br />&nbsp;&nbsp;&nbsp;<b>2</b>&nbsp;&nbsp;&nbsp; In subst. clauses, to [[denote]] a [[doubtful]] [[assumption]] or [[future]] [[event]] (cf. [[quod]]): dixerunt, in eo verti puellae salutem, si [[postero]] [[die]] [[vindex]] injuriae ad [[tempus]] [[praesto]] esset, Liv. 3, 46: adjecerunt, Scipionem in eo positam habuisse spem pacis, si [[Hannibal]] et [[Mago]] ex Italiā non revocarentur, id. 30, 23; 35, 18.—<br />&nbsp;&nbsp;&nbsp;<b>3</b>&nbsp;&nbsp;&nbsp; Si [[with]] a [[relative]] takes the [[place]] of a [[relative]] [[clause]], to [[express]] a [[class]] the [[existence]] or [[extent]] of [[which]] is [[doubtful]]: mortem proposuit, non eis [[solum]] qui illam rem gesserunt, sed eis [[etiam]] si qui non [[moleste]] tulerunt, i. e. if [[such]] [[there]] were, [[whether]] [[few]] or [[many]], Cic. Phil. 13, 18, 39; id. Verr. 2, 1, 4, § 9: dixit errare, si qui in [[bello]] [[omnis]] secundos rerum [[proventus]] expectent, Caes. B. G. 7, 29: errat, si [[quis]] existimat facilem rem esse donare, Sen. Vit. Beat. 24, 1; Cic. Off. 2, 13, 44; Liv. 42, 31.—<br />&nbsp;&nbsp;&nbsp;<b>4</b>&nbsp;&nbsp;&nbsp; In syllogistic reasonings: si [[oportet]] velle sapere, [[dare]] operam philosophiae convenit. Oportet [[autem]] velle sapere, etc., Cic. Inv. 1, 36, 65: si [[enim]] est [[verum]], [[quod]] ita conectitur: si [[quis]] oriente Caniculā [[natus]] est, in mari non morietur, illud [[quoque]] [[verum]] est: si [[Fabius]] oriente Canicula [[natus]] est, [[Fabius]] in mari non morietur, id. Fat. 6, 12.—<br />&nbsp;&nbsp;&nbsp;<b>5</b>&nbsp;&nbsp;&nbsp; = [[etiamsi]], [[with]] foll. [[tamen]], [[even]] if, [[although]], [[albeit]] ([[class]].): quae si exsequi nequirem, [[tamen]], etc., Cic. Sen. 11, 38; cf.: quae si [[causa]] non esset, [[tamen]], etc., id. Mur. 4, 8; and: quae si dubia essent, [[tamen]], etc., Sall. J. 85, 48.—<br /><b>II</b> Transf., in [[dependent]] clauses expressing an [[interrogation]] or [[doubt]], it is [[nearly]] = num, [[but]] forms a looser [[connection]], if, [[whether]], if [[perchance]] ([[class]]., [[but]] [[very]] [[rare]] in Cic.): ibo et visam huc ad eum, si [[forte]] est domi, Plaut. Bacch. 3, 5, 4; Ter. Eun. 3, 4, 7; id. Heaut. 1, 1, 118; cf. id. Phorm. 3, 3, 20: jam sciam, si [[quid]] titubatum est, ubi reliquias videro, Plaut. Men. 1, 2, 33; cf. id. Merc. 1, 2, 44: fatis incerta feror, si [[Juppiter]] unam Esse velit urbem, Verg. A. 4, 110; Plaut. Mil. 4, 8, 52: [[primum]] ab iis quaesivit, si aquam hominibus in [[totidem]] [[dies]], [[quot]] [[frumentum]] imposuissent, Liv. 29, 25; 39, 50: id [[modo]] quaeritur, si (lex) majori parti et in summam prodest, id. 34, 3; cf. id. 40, 49 fin.: jam [[dudum]] [[exspecto]], si tuom [[officium]] scias, Plaut. Poen. prol. 12: hanc (paludem) si nostri transirent, hostes exspectabant, Caes. B. G. 2, 9; id. B. C. 2, 34; cf.: [[Pompeius]] [[eadem]] spectans, si itinere impeditos deprehendere posset, id. ib. 3, 75: non recusavit quo [[minus]] vel [[extremo]] spiritu, si [[quam]] opem rei publicae ferre posset, experiretur, Cic. Phil. 9, 1, 2; cf. id. de Or. 2, 85, 398: statui expectandum esse si [[quid]] certius adferretur, id. Fam. 15, 1, 2: [[Philopoemen]] quaesivit si [[Lycortas]] [[incolumis]] evasisset, Liv. 39, 50: expertique [[simul]], si [[tela]] artusque sequantur, Val. Fl. 5, 562: [[Helvetii]] [[nonnumquam]] [[interdiu]], saepius [[noctu]], si perrumpere possent, conati, Caes. B. G. 1, 8 fin.; cf.: temptata res est, si [[primo]] impetu capi [[Ardea]] posset, Liv. 1, 57.—<br />&nbsp;&nbsp;&nbsp;<b>B</b> With [[ellipsis]] of a [[verb]] or [[clause]] on [[which]] the [[condition]] depends (cf. I. c. [[supra]]): ei rei suam operam dat, si possiet illam invenire (to see) [[whether]] he can, Plaut. Cist. 1, 3, 37: L. Minucium cum omni equitatu praemittit, si [[quid]] celeritate itineris proficere possit, to see, to [[try]], Caes. B. G. 6, 29 fin.: circumfunduntur hostes, si quem aditum reperire possent, id. ib. 6, 37: [[fame]] et inopiā adductos [[clam]] ex castris exisse, si [[quid]] frumenti in agris reperire possent, id. ib. 7, 20, 10; cf. id. ib. 7, 55 fin.; 7, 89 fin.; id. B. C. 3, 8 fin.; 3, 56: pergit ad speluncam, si [[forte]] eo vestigia ferrent, Liv. 1, 7: saxa volvebant, si quā Possent tectam aciem perrumpere, Verg. A. 9, 512: ad Gonnum [[castra]] movet, si potiri [[oppido]] posset, Liv. 42, 67, 6: [[haud]] aspernatus [[Tullius]], [[tamen]], si vana adferantur, in aciem educit ([[that]] he [[might]] be [[ready]]) if, etc., id. 1, 23, 6: milites in praesidio erant, si quo operā eorum [[opus]] esset, id. 27, 28, 5: alii offerunt se, si quo [[usus]] operae [[sit]], id. 26, 9, 9: [[ille]] [[postea]], si [[comitia]] sua non fierent, urbi minari, i. e. ([[that]] he would [[attack]] it) if, etc., Cic. Att. 4, 3, 3: Carthaginiensibus in Hasdrubale ita, si is movisset Syphacem, [[spes]] [[omnis]] erat, Liv. 29, 35, 9; 5, 8, 9: [[consul]] aedem Fortunae vovit, si eo [[die]] [[hostis]] fudisset, id. 29, 36, 8: erat Athenis reo damnato, si [[fraus]] [[capitalis]] non esset, [[quasi]] poenae [[aestimatio]], Cic. de Or. 1, 54, 232: [[quattuor]] legiones Cornelio, si qui ex Etruriā [[novi]] [[motus]] nuntiarentur, relictae, to [[meet]] the [[case]], [[that]], to be [[ready]], if, etc., Liv. 6, 22: is in armis tenuit militem, si [[opus]] foret [[auxilio]], id. 5, 8: ut patricios [[indignatio]], si cum his gerendus esset [[honos]], deterreret, id. 4, 6, 10; 1, 40, 2; 24, 36.—<br />&nbsp;&nbsp;&nbsp;<b>B</b> Si ... si, for [[sive]] ... [[sive]], [[whether]] ... or: si [[deus]] si dea es, [[Cato]], R. R. 139; cf.: hostiam si deo, si deae immolabant, Gell. 2, 28, 3.
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{{Gaffiot
|gf=<b>sī</b>² <b>(</b>prim<sup>t</sup> <b>seī)</b>, conj., si :<br /><b>1</b> [conditionnel, avec ind. ou subj.] si, quand, toutes les fois que, même si, etc. : <b> a)</b> si suscipis causam, conficiam commentarios rerum omnium Cic. Fam. 5, 12, 10, si tu te charges de l’affaire, je rédigerai un mémoire de tous les faits ; tyrannos si [[boni]] oppresserunt, recreatur [[civitas]] Cic. Rep. 1, 68, si les bons citoyens écrasent le tyran, la cité renaît ; persequar, si potero Cic. Rep. 2, 42, je poursuivrai, si je puis ; accommodabo, si potuero Cic. Rep. 1, 70, j’adapterai, si je puis ; pergratum [[mihi]] feceris, si disputaris Cic. Læl. 16, tu me feras grand plaisir, si tu dissertes... ; <b> b)</b> si [[quis]] [[deus]] [[mihi]] largiatur, ut..., [[valde]] recusem Cic. CM 83, si un dieu m’accordait la grâce de..., je refuserais énergiquement ; si ad [[supplicium]] ducerere, [[quid]] aliud clamitares ? Cic. Verr. 2, 5, 166, si tu étais conduit au [[supplice]], que crierais-tu d’autre ? si [[nihil]] litteris adjuvarentur, [[numquam]] se ad earum [[studium]] contulissent Cic. Arch. 16, si les lettres ne leur servaient à [[rien]], jamais ils ne se seraient adonnés à leur étude ; <b> c)</b> si [[non]]... at [[tamen]] Cic. Or. 103, [[sinon]]... du moins ; si [[minus]] Cic. Br. 248, [[sinon]], cf. Cic. Rep. 3, 7 ; Cat. 1, 10 ; <b> d)</b> tum [[demum]]... si Cic. Nat. 1, 13, alors seulement... si ; [[ita]]... si Cic. CM 38, sous [[cette]] condition que, cf. Cic. Br. 195 ; si [[triginta]] [[illi]]... voluissent, num [[idcirco]]... Cic. Leg. 1, 42, si les fameux trente avaient voulu..., [[est]]-ce que pour cela (s’ensuit-il que) ? [[non]], si Opimium defendisti, [[idcirco]] te [[isti]] [[bonum]] civem putabunt Cic. de Or. 2, 170, ce n’[[est]] pas une raison, si tu as défendu [[Opimius]], pour que ces [[gens]]-là te croient un bon citoyen, cf. Cic. Cæl. 21 ; <b> e)</b> ne sim [[salvus]], si [[aliter]] [[scribo]] ac [[sentio]] Cic. Att. 16, 13, 1, que je meure, si je ne le [[dis]] pas comme je le [[pense]]<br /><b>2</b> [restrictif] si seulement, si du moins, v. [[modo]], [[forte]] &#124;&#124; tours elliptiques : [[aut]] [[nemo]], [[aut]], si [[quisquam]], [[ille]] [[sapiens]] fuit Cic. Læl. 9, ou il n’y eut jamais de sage, ou, s’il y en eut un, ce fut lui ; [[vereor]], ne [[nihil]] sim [[tui]] [[nisi]] supplosionem [[pedis]] [[imitatus]] et pauca quædam verba et aliquem, si [[forte]], motum Cic. de Or. 3, 47, je crains de n’avoir jamais [[rien]] imité de toi que le frappement du pied, certaines expressions en petit nombre et tel ou tel geste, peut-être, cf. Cic. Off. 2, 70 ; si [[nihil]] aliud Cic. Verr. 2, 1, 152, à défaut d’autre chose, v. [[alius]]<br /><b>3</b> = si [[quidem]] : si [[est]] [[ita]] [[necesse]] Cic. Br. 4, puisque c’[[est]] inévitable, puisqu’il ne peut en être autrement ; v. [[siquidem]]<br /><b>4</b> si [[quis]] = le rel. qui : Alexandro roganti ut diceret, si [[quid]] [[opus]] esset Cic. Tusc. 5, 92, à Alexandre qui lui demandait de [[dire]] ce dont il pouvait avoir besoin ; [si [[quid]] ] Off. 3, 3 ; Nat. 3, 9 ; Att. 7, 9, 4 ; 8, 5, 2 ; [si quem, etc. ] : Pl. Capt. 390 ; Cic. Arch. 6 ; 7 ; 12 ; Verr. 2, 1, 9 ; Phil. 13, 39 ; Off. 2, 44 ; Cæs. G. 7, 29, 3<br /><b>5</b> [explicatif] : [[summa]] [[gloria]] [[constat]] ex [[tribus]] his, si diligit [[multitudo]], si... si... Cic. Off. 2, 31, le [[plus]] [[haut]] degré de gloire résulte de [[cette]] triple condition, que la foule nous aime, que... que..., cf. Off. 1, 67 ; Cæs. G. 3, 5, 2 ; Liv. 3, 46, 6 ; 30, 23, 6 ; 35, 18, 8 ; 41, 23, 5 ; ea quæ [[multum]] ab humanitate discrepant, ut si qui in [[foro]] cantet Cic. Off. 1, 145, ce qui s’éloigne beaucoup des bonnes manières, comme de chanter sur le [[forum]]<br /><b>6</b> = [[etiam]] si Cic. CM 38 ; Mur. 8 ; etc.<br /><b>7</b> [avec subj.] pour le cas où, dans l’hypothèse que, avec l’idée que : equitatum ostentare cœperunt, si ab re frumentaria Romanos excludere possent Cæs. G. 7, 55, 9, ils se mirent à faire des démonstrations de cavalerie dans l’hypothèse qu’ils pourraient empêcher l’approvisionnement des Romains, cf. Cæs. G. 6, 29, 4 ; 6, 37, 4 ; 7, 20, 10 ; C. 3, 55, 1 ; etc. ; Cic. Att. 11, 9, 2 ; Nep. Hann. 8, 1 &#124;&#124; surtout après les v. qui signifient attendre, essayer, faire effort, v. [[exspecto]], [[experior]], [[conor]], etc. &#124;&#124; [pour le prétendu si interrogatif, v. Gaffiot, 1904 ; Gaffiot, 1908a ; et en gén. sur l’emploi du subj. dans les conditionnelles, v. Gaffiot, 1933, p.&nbsp;291 sqq.<br /><b>8</b> souhait : o si subj. ah ! si ; oh ! si seulement : Virg. En. 8, 560 ; 6, 187 ; Hor. S. 2, 6, 8 &#124;&#124; v. [[siquidem]].
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