Chapter Words Relating to the Intellectual Faculties of Index by Roget's Thesaurus

Words Relating to the Intellectual Faculties

Division I.—Formation of Ideas

Section IV.—Reasoning Processes

476. Reasoning (Substantives), ratiocination, dialectics, induction, generalisation.

Argumentation, discussion pourparler, controversy, polemics, debate, wrangling, logomachy, disputation, disceptation.

(Phrases). A paper war; a war of words; a full-dress debate.

The art of reasoning, logic, process, train or chain of reasoning, argument, lemma, proposition, terms, premises, postulate, data, starting - point, principle, inference, result, conclusion.

Syllogism, prosyllogism, enthymeme, sorites, dilemma, perilepsis, a comprehensive argument.

Correctness, soundness, force, validity, cogency, conclusiveness.

(Phrases). The horns of a dilemma; onus probandi.

A disputant, controversialist, wrangler, arguer, debater.

(Verbs). To reason, argue, discuss, debate, dispute, wrangle; bandy words or arguments; hold or carry on an argument, controvert, contravene, comment upon, moralise upon, spiritualise.

(Phrases). To open a discussion or case; to moot; to join issue; to stir, agitate, torture, or ventilate a question; to talk it over; to have it out; to take up a side or case.

To chop logic; to try conclusions; to impale on the horns of a dilemma; to cut the matter short; to have the last word.

(Adjectives). Reasoning, etc., argumentative, controversial, dialectic, polemical, discursory, discursive, debatable, controvertible, disputatious; correct, just, fair, sound, valid, cogent, logical, demonstrative 478, relevant, pertinent, subtle 9.

(Phrases). To the point; in point; to the purpose; ad rem; fine-spun.

Rem acu tetigisti.

(Adverbs). For, because, for that reason, forasmuch as, inasmuch as, whereas, considering, therefore, consequently, ergo, then, thus, accordingly, wherefore, a fortiori, ex concesso.

(Phrases). In consideration of; in conclusion; in fine; after all; au bout du compte; on the whole; taking one thing with another.

477. The absence of reasoning.

Intuition (Substantives), instinct, presentiment.

False or vicious reasoning, show of reason.

Sophistry (Substantives), paralogy, fallacy, perversion, casuistry, jesuitry, quibble, equivocation, evasion, chicanery, special pleading, quiddity, mystification.

Sophist, Jesuit, quibbler, casuist, advocatus diaboli.

(Phrases). Begging the question; petitio principii; ignoratio elenchi; reasoning in a circle; post hoc, ergo propter hoc; non constat; non sequitur.