| 释义 | 
		prot·a·sis \ˈpräd.əsə̇s\ noun (plural prota·ses \-əˌsēz\) Etymology: Late Latin, from Greek, from proteinein stretch out before, put forward, from pro- pro- (I) + teinein to stretch — more at thin 1.   a.  : the first part of an ancient drama in which the characters are introduced and the argument explained  b.  : the opening lines especially of a drama or narrative poem : the part preceding the epitasis : introduction — compare catastasis 2.  : condition 2a(2) — contrasted with apodosis 3.  : a proposition that serves especially as a premise in a syllogism or in reasoning : antecedent, conditional |