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Mirrors > Home > ILE Home > Th. List > toponrestid | Unicode version |
Description: Given a topology on a set, restricting it to that same set has no effect. (Contributed by Jim Kingdon, 6-Jul-2022.) |
Ref | Expression |
---|---|
toponrestid.t | TopOn |
Ref | Expression |
---|---|
toponrestid | ↾t |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | toponrestid.t | . . 3 TopOn | |
2 | 1 | toponunii 12774 | . . . 4 |
3 | 2 | restid 12583 | . . 3 TopOn ↾t |
4 | 1, 3 | ax-mp 5 | . 2 ↾t |
5 | 4 | eqcomi 2174 | 1 ↾t |
Colors of variables: wff set class |
Syntax hints: wceq 1348 wcel 2141 cfv 5196 (class class class)co 5851 ↾t crest 12572 TopOnctopon 12767 |
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-in1 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-coll 4102 ax-sep 4105 ax-pow 4158 ax-pr 4192 ax-un 4416 ax-setind 4519 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-ral 2453 df-rex 2454 df-reu 2455 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-pw 3566 df-sn 3587 df-pr 3588 df-op 3590 df-uni 3795 df-iun 3873 df-br 3988 df-opab 4049 df-mpt 4050 df-id 4276 df-xp 4615 df-rel 4616 df-cnv 4617 df-co 4618 df-dm 4619 df-rn 4620 df-res 4621 df-ima 4622 df-iota 5158 df-fun 5198 df-fn 5199 df-f 5200 df-f1 5201 df-fo 5202 df-f1o 5203 df-fv 5204 df-ov 5854 df-oprab 5855 df-mpo 5856 df-rest 12574 df-topon 12768 |
This theorem is referenced by: cncfcn1cntop 13340 cncfmpt2fcntop 13344 cnrehmeocntop 13352 cnlimcim 13399 cnlimc 13400 dvidlemap 13419 dvcnp2cntop 13422 dvcn 13423 dvaddxxbr 13424 dvmulxxbr 13425 dvcoapbr 13430 dvcjbr 13431 dvrecap 13436 dveflem 13446 |
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