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| Description: No set contains all sets. Theorem 41 of [Suppes] p. 30. |
| Ref | Expression |
|---|---|
| nalset |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | alexn 726 |
. 2
| |
| 2 | visset 1350 |
. . . 4
| |
| 3 | 2 | zfaus 1480 |
. . 3
|
| 4 | a13b 819 |
. . . . . . 7
| |
| 5 | a13b 819 |
. . . . . . . 8
| |
| 6 | a13b 819 |
. . . . . . . . . 10
| |
| 7 | a14b 820 |
. . . . . . . . . 10
| |
| 8 | 6, 7 | bitrd 406 |
. . . . . . . . 9
|
| 9 | 8 | negbid 463 |
. . . . . . . 8
|
| 10 | 5, 9 | anbi12d 476 |
. . . . . . 7
|
| 11 | 4, 10 | bibi12d 477 |
. . . . . 6
|
| 12 | 11 | a4b1 928 |
. . . . 5
|
| 13 | pclem6 555 |
. . . . 5
| |
| 14 | 12, 13 | syl 12 |
. . . 4
|
| 15 | 14 | 19.22i 723 |
. . 3
|
| 16 | 3, 15 | ax-mp 6 |
. 2
|
| 17 | 1, 16 | mpgbi 685 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: nvelv 1483 kmlem2 3581 |
| This theorem was proved from axioms: ax-1 3 ax-2 4 ax-3 5 ax-mp 6 ax-4 673 ax-5 674 ax-6 675 ax-7 676 ax-gen 677 ax-8 798 ax-9 799 ax-12 802 ax-13 804 ax-14 805 ax-17 925 ax-ext 1074 ax-rep 1075 |
| This theorem depends on definitions: df-bi 128 df-an 198 df-ex 679 df-sb 853 df-clab 1093 df-cleq 1097 df-clel 1099 df-v 1349 |