document.write( "Question 1177988: https://ibb.co/F7xr7j9 \n" ); document.write( "
Algebra.Com's Answer #807150 by MathLover1(20849)\"\" \"About 
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p.........q......... (q ↔ p)
\n" ); document.write( "F......... F............. T
\n" ); document.write( "F......... T............. F
\n" ); document.write( "T......... F............. F
\n" ); document.write( "T......... T............. T\r
\n" ); document.write( "\n" ); document.write( "p.........q......... (q ↔ p) → q
\n" ); document.write( "F......... F.............. F
\n" ); document.write( "F......... T.............. T
\n" ); document.write( "T......... F.............. T
\n" ); document.write( "T......... T.............. T\r
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\n" ); document.write( "p.........q.......... (q ↔ p)........ (q ↔ p) → q
\n" ); document.write( "T......... T............. T............ T\r
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