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Mirrors > Home > MPE Home > Th. List > xor3 | Structured version Unicode version |
Description: Two ways to express "exclusive or." (Contributed by NM, 1-Jan-2006.) |
Ref | Expression |
---|---|
xor3 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm5.18 356 |
. . 3
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2 | 1 | con2bii 332 |
. 2
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3 | 2 | bicomi 202 |
1
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Colors of variables: wff setvar class |
Syntax hints: ![]() ![]() |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 185 |
This theorem is referenced by: nbbn 358 pm5.15 884 nbi2 887 nabbi 2781 nabbiOLD 2782 notzfaus 4568 nmogtmnf 24315 nmopgtmnf 25417 symdifass 27995 limsucncmpi 28428 aiffnbandciffatnotciffb 30059 axorbciffatcxorb 30060 abnotbtaxb 30071 |
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