Click the text to prove that "all kinds of animals with four legs" is false, such as chicken, as the Beavers, but with 2 legs. (B) the text that says "If ab and c is a real number a > > b, then ac and bc" is false, for example, a = 5 b = 2 c =-1 > 2, it will be real, but five (5), (-1) > (2), (-1); C the message that "the sum of the irrational is irrational" is false, for example, is irrational and it is irrational, but that "0" is not an irrational.
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