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Mathbox for Richard Penner |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > ifpdfxor | Structured version Visualization version Unicode version |
Description: Define xor as conditional logic operator. (Contributed by RP, 20-Apr-2020.) |
Ref | Expression |
---|---|
ifpdfxor |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xor2 1470 |
. 2
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2 | ifpdfor 37809 |
. . 3
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3 | ifpnot23 37823 |
. . . 4
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4 | ifpdfan 37810 |
. . . 4
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5 | 3, 4 | xchnxbir 323 |
. . 3
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6 | 2, 5 | anbi12i 733 |
. 2
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7 | ifpan23 37804 |
. . 3
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8 | truan 1501 |
. . . 4
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9 | fal 1490 |
. . . . . 6
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10 | 9 | biantru 526 |
. . . . 5
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11 | 10 | bicomi 214 |
. . . 4
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12 | ifpbi23 37817 |
. . . 4
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13 | 8, 11, 12 | mp2an 708 |
. . 3
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14 | 7, 13 | bitri 264 |
. 2
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15 | 1, 6, 14 | 3bitri 286 |
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 197 df-or 385 df-an 386 df-ifp 1013 df-xor 1465 df-tru 1486 df-fal 1489 |
This theorem is referenced by: (None) |
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