Let p represent a true statement, let q and r represent the false statements. Find the
1 answer:
If <em>p</em> is true and <em>q</em> is false, then
• <em>p</em> ∨ <em>q</em> is true, and so ¬ (<em>p </em>∨ <em>q</em>) is false (¬ stands for "negation" or "not")
• <em>p</em> ∧ <em>q</em> is false, and so ¬ (<em>p</em> ∧ <em>q</em>) is true
which means
¬ (<em>p </em>∨ <em>q</em>) ∧ ¬ (<em>p</em> ∧ <em>q</em>)
is false.
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