converse in Portuguese
converse in Portuguese
recíproca
(logic) Of a proposition or theorem consisting of a statement of the form "If A is true, then B is true", the statement "If B is true, then A is true" which need not be equivalent to the first one.
conversar
(formal, intransitive) To talk; to engage in conversation.
falar
(formal, intransitive) To talk; to engage in conversation.