Converse

[verb kuh n-vurs; noun kon-vurs] /verb kənˈvɜrs; noun ˈkɒn vɜrs/

verb (used without object), conversed, conversing.
1.
to talk informally with another or others; exchange views, opinions, etc., by talking.
2.
Archaic. to maintain a familiar association (usually followed by with).
3.
Obsolete. to have sexual intercourse (usually followed by with).
noun
4.
familiar discourse or talk; .
[adjective kuh n-vurs, kon-vurs; noun kon-vurs] /adjective kənˈvɜrs, ˈkɒn vɜrs; noun ˈkɒn vɜrs/
adjective
1.
opposite or contrary in direction, action, sequence, etc.; turned around.
noun
2.
something opposite or contrary.
3.
Logic.

4.
a group of words correlative with a preceding group but having a significant pair of terms interchanged, as “hot in winter but cold in summer” and “cold in winter but hot in summer.”.
[kon-vurs] /ˈkɒn vɜrs/
noun
1.
Frederick Shepherd
[shep-erd] /ˈʃɛp ərd/ (Show IPA), 1871–1940, U.S. composer.
verb (kənˈvɜːs) (intransitive) often foll by with
1.
to engage in conversation (with)
2.
to commune spiritually (with)
3.
(obsolete)

noun (ˈkɒnvɜːs)
4.
conversation (often in the phrase hold converse with)
5.
(obsolete)

/ˈkɒnvɜːs/
adjective
1.
(prenominal) reversed; opposite; contrary
noun
2.
something that is opposite or contrary
3.
(logic)

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
v.

“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.

logic
The truth of a proposition of the form A => B and its converse B => A are shown in the following truth table:
A B | A => B B => A ——+—————- f f | t t f t | t f t f | f t t t | t t
(2002-07-12)