A) their mother's language more than any other language. B) animal sounds more than speech. C) normal speech more than baby talk. D) traffic noises more than music.
Is a hypothetical proposition equivalent to its converse? To its contrapositive?
A) It is equivalent to its converse, but not to its contrapositive. B) It is equivalent to its contrapositive, but not to its converse. C) It is equivalent to both. D) It is equivalent to neither. E) It depends on the subject matter of the proposition.