read “If p implies g and q implies r, then p implies r.”’ And 2-92 will be p = q is equivalent to ~p = 4 … be read ‘‘‘p is equivalent to q’ is equivalent to ‘(p is false) is equivalent to (q is false.)’”’ At … 2-2 p=q-=:pr7q-q>pD “7m is equivalent to q” is equivalent to “‘p implies q, and q implies p.” 2-3 p2p Any
“‘p is equivalent to q’ is equivalent to ‘(p is false) is equivalent to ( q is false … = ipoq.qop “p is equivalent to q” is equivalent to “p implies q, and q implies p.” 2-3 … “If p implies q and q implies r, then p implies r” And 2 • 92 will be p = q is equivalent
:. p \supset q .\equiv : p .\equiv . p . q }} , i.e. " p {\displaystyle \scriptstyle { p }} implies q {\displaystyle \scriptstyle { q }} " is equivalent to " p {\displaystyle
Everything we examined (3) — 2 independent sources
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