Topic: invalid proof list of topics
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	An Invalid Argument		1999-05-31
		From Rod Redding: Can an invalid argument have a true conclusion? If yes then why? Answered by Walter Whiteley.
	A		1999-05-02
		From Leah: a=b a^2=ab a^2+b^2=ab-b^2 (a-b)(a+b)=b(a-b) a+b=b b 2=1 why is this proof wrong? Answered by Penny Nom.

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