Converse
WordNet
adjective
(1) Turned about in order or relation
"Transposed letters"
(2) Of words so related that one reverses the relation denoted by the other
"`parental' and `filial' are converse terms"
noun
(3) A proposition obtained by conversion
verb
(4) Carry on a conversation
WiktionaryText
Etymology 1
From , from
Noun
- Familiar discourse; free interchange of thoughts or views; conversation; chat
- Edward Young, Love of Fame, the Universal Passion, Satire V, On Women, lines 44-46
- Twice ere the sun descends, with zeal inspir'd,
- From the vain converse of the world retir'd,
- She reads the psalms and chapters for the day,
- Edward Young, Love of Fame, the Universal Passion, Satire V, On Women, lines 44-46
Etymology 2
From , past participle of
Noun
- The opposite or reverse.
- Of a proposition or theorem of the form "If A is true, then B is true" or (equivalently) "All Xs are Ys", the proposition or law "If B is true, then A is true" or "All Ys are Xs", respectively.
- All trees are plants, but the converse, that all plants are trees, is not true.