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Mirrors > Home > ILE Home > Th. List > isneip | Unicode version |
Description: The predicate "the class is a neighborhood of point ". (Contributed by NM, 26-Feb-2007.) |
Ref | Expression |
---|---|
neifval.1 |
Ref | Expression |
---|---|
isneip |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | snssi 3696 | . . 3 | |
2 | neifval.1 | . . . 4 | |
3 | 2 | isnei 12491 | . . 3 |
4 | 1, 3 | sylan2 284 | . 2 |
5 | snssg 3688 | . . . . . 6 | |
6 | 5 | anbi1d 461 | . . . . 5 |
7 | 6 | rexbidv 2455 | . . . 4 |
8 | 7 | anbi2d 460 | . . 3 |
9 | 8 | adantl 275 | . 2 |
10 | 4, 9 | bitr4d 190 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1332 wcel 2125 wrex 2433 wss 3098 csn 3556 cuni 3768 cfv 5163 ctop 12342 cnei 12485 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1481 ax-10 1482 ax-11 1483 ax-i12 1484 ax-bndl 1486 ax-4 1487 ax-17 1503 ax-i9 1507 ax-ial 1511 ax-i5r 1512 ax-14 2128 ax-ext 2136 ax-coll 4075 ax-sep 4078 ax-pow 4130 ax-pr 4164 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1740 df-eu 2006 df-mo 2007 df-clab 2141 df-cleq 2147 df-clel 2150 df-nfc 2285 df-ral 2437 df-rex 2438 df-reu 2439 df-rab 2441 df-v 2711 df-sbc 2934 df-csb 3028 df-un 3102 df-in 3104 df-ss 3111 df-pw 3541 df-sn 3562 df-pr 3563 df-op 3565 df-uni 3769 df-iun 3847 df-br 3962 df-opab 4022 df-mpt 4023 df-id 4248 df-xp 4585 df-rel 4586 df-cnv 4587 df-co 4588 df-dm 4589 df-rn 4590 df-res 4591 df-ima 4592 df-iota 5128 df-fun 5165 df-fn 5166 df-f 5167 df-f1 5168 df-fo 5169 df-f1o 5170 df-fv 5171 df-top 12343 df-nei 12486 |
This theorem is referenced by: neipsm 12501 cnpnei 12566 neibl 12838 |
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