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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 1268 | . 2 | |
2 | 1 | simplbi 259 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wo 629 wxo 1266 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-in1 544 ax-in2 545 ax-io 630 |
This theorem depends on definitions: df-bi 110 df-xor 1267 |
This theorem is referenced by: mtpxor 1317 |
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