converse

nouns

a proposition obtained by conversion

converse

is a type of (narrower)

(logic) a statement that affirms or denies something and is either true or false

carry on a conversation

converse, discourse

is derived from

of words so related that one reverses the relation denoted by the other

"`parental' and `filial' are converse terms"

converse

is similar to

of words: having opposite meanings

turned about in order or relation

"transposed letters"

converse, reversed, transposed