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Show that [(pvvq)vvr] harr [pvv(qvvr)] i...

Show that `[(pvvq)vvr] harr [pvv(qvvr)]` is a tautology

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`(pvvq)vvriffpvv(qvvr)`

Since all the entries in last column of the above table are 'T' the given statement is Tautology.
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GURUKUL PUBLICATION - MAHARASHTRA PREVIOUS YEAR PAPERS- JULY 2018-SECTION II
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