| 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 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xor2 1470 |
. 2
| |
| 2 | ifpdfor 37809 |
. . 3
| |
| 3 | ifpnot23 37823 |
. . . 4
| |
| 4 | ifpdfan 37810 |
. . . 4
| |
| 5 | 3, 4 | xchnxbir 323 |
. . 3
|
| 6 | 2, 5 | anbi12i 733 |
. 2
|
| 7 | ifpan23 37804 |
. . 3
| |
| 8 | truan 1501 |
. . . 4
| |
| 9 | fal 1490 |
. . . . . 6
| |
| 10 | 9 | biantru 526 |
. . . . 5
|
| 11 | 10 | bicomi 214 |
. . . 4
|
| 12 | ifpbi23 37817 |
. . . 4
| |
| 13 | 8, 11, 12 | mp2an 708 |
. . 3
|
| 14 | 7, 13 | bitri 264 |
. 2
|
| 15 | 1, 6, 14 | 3bitri 286 |
1
|
| 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) |
| Copyright terms: Public domain | W3C validator |