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| Description: Conjunction expressed with disjunction. |
| Ref | Expression |
|---|---|
| anor1 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-a 39 |
. 2
| |
| 2 | ax-a1 29 |
. . . . 5
| |
| 3 | 2 | ax-r1 34 |
. . . 4
|
| 4 | 3 | lor 66 |
. . 3
|
| 5 | 4 | ax-r4 36 |
. 2
|
| 6 | 1, 5 | ax-r2 35 |
1
|
| Colors of variables: term |
| Syntax hints: |
| This theorem is referenced by: oran2 84 ka4lemo 220 ni31 242 ud4lem0c 272 wcomlem 364 wcom3i 404 comcom 435 com3i 449 i3bi 478 ni32 484 i3th1 525 i3con 533 ud3lem1a 548 ud3lem1b 549 ud3lem1c 550 ud3lem1 552 ud3lem3 558 ud4lem1a 559 ud4lem1b 560 ud4lem1d 562 ud4lem1 563 ud5lem1 571 u4lemaa 585 u3lemanb 599 u4lemoa 605 u3lemonb 619 u2lemnaa 623 u3lemnaa 624 u4lemnaa 625 u5lemnaa 626 u1lemnoa 642 u2lemnoa 643 u3lemnoa 644 u4lemnoa 645 u5lemnoa 646 u3lemnona 649 u1lemnob 652 u2lemnob 653 u3lemnob 654 u4lemnob 655 u5lemnob 656 u4lemle2 700 u4lem1n 724 u4lem3n 737 u5lem3n 738 u2lem7n 757 u1lem9a 759 u2lem8 764 u3lemax4 778 3vded22 800 salem1 819 orbi 824 neg3antlem2 847 cancellem 873 gomaex3h10 891 gomaex3lem3 896 oa4v3v 914 |
| This theorem was proved from axioms: ax-a1 29 ax-a2 30 ax-r1 34 ax-r2 35 ax-r4 36 ax-r5 37 |
| This theorem depends on definitions: df-a 39 |