implicans

Noun

 * 1)  The antecedent in the if-clause; the well-formed formula (wff).

Etymology
Present active participle of

Participle

 * 1) entangling, entwining
 * 2) enfolding, enveloping, encircling
 * 3) embracing
 * 4) clasping, grasping
 * 5)  uniting, associating, joining
 * 6) implicating, involving, embarrassing