protasis

1. (logic, grammar) A clause that expresses a contingent element in a conditional sentence.Examples: "In "I will be coming if this weather holds up", "if this weather holds up" is the protasis, and "I will be coming" is the apodosis."; "2005 B. P. Bairan: An Introduction to Syllogistic Logic Every conditional statement is made up of two component statements. The component statement that follows the "if" is called antecedent (or the "implicans" or — rarely — the "protasis"), and the component statement that follows the "then" is the "consequent"(or the "implicate" or — rarely — the "apodosis")."Synonyms: antecedent, conditional, hypothesis, implicans