modus ponens

noun 0.621

modus tollens

noun 0.613

contrapositive

noun 0.604

affirmative

noun 0.598

contraposition

noun 0.584

affirmation

noun 0.569

affirmative sentence

noun 0.559

proving

noun 0.554

strict implication

noun 0.554

consequent

noun 0.547

circular argument

noun 0.545

confirmation

noun 0.525

petitio principii

noun 0.523

deductive reasoning

noun 0.519

affirmer

noun 0.517

condition subsequent

noun 0.515

conclusive presumption

noun 0.513

disjunctive syllogism

noun 0.512

syllogism

noun 0.508

concluding

noun 0.503

reargument

noun 0.502

verification principle

noun 0.501

rechecking

noun 0.500