conversation (often in the phrase hold converse with)
5.
(obsolete)
fellowship or acquaintance
sexual intercourse
Derived Forms
converser, noun
Word Origin
C16: from Old French converser, from Latin conversārī to keep company with, from conversāre to turn constantly, from vertere to turn
converse^{2}
/ˈkɒnvɜːs/
adjective
1.
(prenominal) reversed; opposite; contrary
noun
2.
something that is opposite or contrary
3.
(logic)
a categorical proposition obtained from another by the transposition of subject and predicate, as no bad man is bald from no bald man is bad
a proposition so derived, possibly by weakening a universal proposition to the corresponding particular, as some socialists are rich from all rich men are socialists
4.
(logic, maths) a relation that holds between two relata only when a given relation holds between them in reverse order: thus father of is the converse of son of
Word Origin
C16: from Latin conversus turned around; see converse1
"to communicate (with)," 1590s; earlier "to move about, live, dwell" (mid-14c.), from Old French converser "to talk" (12c.), from Latin conversari (see conversation). Related: Conversed; conversing.
adj.
"exact opposite," 1560s, from Latin conversus "turn around," past participle of convertere "to turn about" (see convert). Originally mathematical. The noun is attested from 1550s in mathematics. Related: Conversely.
in logic, the proposition resulting from an interchange of subject and predicate with each other. Thus, the converse of "No man is a pencil" is "No pencil is a man." In traditional syllogistics, generally only E (universal negative) and I (particular affirmative) propositions yield a valid converse. The converse of a relation R is the relation S such that xSy (y has the relation S to x) if, and only if, yRx (x has the relation R to y). If a relation is identical to its converse, it is symmetric
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