document.write( "Question 979816: Hey guys, quick question. How do I work to prove this conclusion? \r
\n" ); document.write( "\n" ); document.write( "1. (L > I) > (D>A)
\n" ); document.write( "2. (L>D) > (D>I)
\n" ); document.write( "3. (L>A) > ~(I & A)
\n" ); document.write( "4. L>D\r
\n" ); document.write( "\n" ); document.write( "Conclusion: ~(I&A)\r
\n" ); document.write( "\n" ); document.write( "Any help would be appreciated! \n" ); document.write( "

Algebra.Com's Answer #601059 by jim_thompson5910(35256) $\"\"$ $\"About$

You can put this solution on YOUR website!
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Number	Statement	Lines Used	Reason
1	(L > I) > (D>A)
2	(L>D) > (D>I)
3	(L>A) > ~(I & A)
4	L>D
:.	~(I&A)
5	D > I	2,4	Modus Ponens
6	L > I	4,5	Hypothetical Syllogism
7	D > A	1,6	Modus Ponens
8	L > A	4,7	Hypothetical Syllogism
9	~(I&A)	3,8	Modus Ponens

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