Consider the claim: (*) "Some porcupines are quadrupeds".
What is the converse of (*)?
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Mathematics, 17.11.2020 04:20 hi105
Consider the claim: (*) "Some porcupines are quadrupeds".
What is the converse of (*)?
What is the obverse of (*)?
What is the contrapositive of (*)?
If all we know is that (*) is true, what do we know about the truth-values of (*)'s converse, obverse and contrapositive?
Now suppose all we know is that (*) is false. (Assume an Aristotelian interpretation of categorical claims.)
What do we know about the truth-value (i. e. true or false) of the corresponding A claim?
What do we know about the truth-value of the corresponding O claim?
What do we know about the truth-value of the corresponding E claim?
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