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Mirrors > Home > ILE Home > Th. List > restin | Unicode version |
Description: When the subspace region is not a subset of the base of the topology, the resulting set is the same as the subspace restricted to the base. (Contributed by Mario Carneiro, 15-Dec-2013.) |
Ref | Expression |
---|---|
restin.1 |
Ref | Expression |
---|---|
restin | ↾t ↾t |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | restin.1 | . . . . 5 | |
2 | uniexg 4422 | . . . . 5 | |
3 | 1, 2 | eqeltrid 2257 | . . . 4 |
4 | 3 | adantr 274 | . . 3 |
5 | restco 12933 | . . . 4 ↾t ↾t ↾t | |
6 | 5 | 3com23 1204 | . . 3 ↾t ↾t ↾t |
7 | 4, 6 | mpd3an3 1333 | . 2 ↾t ↾t ↾t |
8 | 1 | restid 12583 | . . . 4 ↾t |
9 | 8 | adantr 274 | . . 3 ↾t |
10 | 9 | oveq1d 5866 | . 2 ↾t ↾t ↾t |
11 | incom 3319 | . . . 4 | |
12 | 11 | oveq2i 5862 | . . 3 ↾t ↾t |
13 | 12 | a1i 9 | . 2 ↾t ↾t |
14 | 7, 10, 13 | 3eqtr3d 2211 | 1 ↾t ↾t |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1348 wcel 2141 cvv 2730 cin 3120 cuni 3794 (class class class)co 5851 ↾t crest 12572 |
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-1st 6117 df-2nd 6118 df-rest 12574 |
This theorem is referenced by: restuni2 12936 cnrest2r 12996 |
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