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Mirrors > Home > ILE Home > Th. List > tz7.2 | Unicode version |
Description: Similar to Theorem 7.2 of [TakeutiZaring] p. 35, of except that the Axiom of Regularity is not required due to antecedent . (Contributed by NM, 4-May-1994.) |
Ref | Expression |
---|---|
tz7.2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | trss 3863 | . . 3 | |
2 | efrirr 4090 | . . . . 5 | |
3 | eleq1 2100 | . . . . . 6 | |
4 | 3 | notbid 592 | . . . . 5 |
5 | 2, 4 | syl5ibrcom 146 | . . . 4 |
6 | 5 | necon2ad 2262 | . . 3 |
7 | 1, 6 | anim12ii 325 | . 2 |
8 | 7 | 3impia 1101 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 97 w3a 885 wceq 1243 wcel 1393 wne 2204 wss 2917 wtr 3854 cep 4024 wfr 4065 |
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 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-sep 3875 ax-pow 3927 ax-pr 3944 |
This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ne 2206 df-ral 2311 df-v 2559 df-dif 2920 df-un 2922 df-in 2924 df-ss 2931 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-uni 3581 df-br 3765 df-opab 3819 df-tr 3855 df-eprel 4026 df-frfor 4068 df-frind 4069 |
This theorem is referenced by: (None) |
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