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Mirrors > Home > ILE Home > Th. List > xoror | Unicode version |
Description: XOR implies OR. (Contributed by BJ, 19-Apr-2019.) |
Ref | Expression |
---|---|
xoror |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xoranor 1359 | . 2 | |
2 | 1 | simplbi 272 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wo 698 wxo 1357 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 |
This theorem depends on definitions: df-bi 116 df-xor 1358 |
This theorem is referenced by: mtpxor 1408 |
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