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Mirrors > Home > ILE Home > Th. List > clsfval | Unicode version |
Description: The closure function on the subsets of a topology's base set. (Contributed by NM, 3-Oct-2006.) (Revised by Mario Carneiro, 11-Nov-2013.) |
Ref | Expression |
---|---|
cldval.1 |
Ref | Expression |
---|---|
clsfval |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cldval.1 | . . . 4 | |
2 | 1 | topopn 12646 | . . 3 |
3 | pwexg 4159 | . . 3 | |
4 | mptexg 5710 | . . 3 | |
5 | 2, 3, 4 | 3syl 17 | . 2 |
6 | unieq 3798 | . . . . . 6 | |
7 | 6, 1 | eqtr4di 2217 | . . . . 5 |
8 | 7 | pweqd 3564 | . . . 4 |
9 | fveq2 5486 | . . . . . 6 | |
10 | rabeq 2718 | . . . . . 6 | |
11 | 9, 10 | syl 14 | . . . . 5 |
12 | 11 | inteqd 3829 | . . . 4 |
13 | 8, 12 | mpteq12dv 4064 | . . 3 |
14 | df-cls 12737 | . . 3 | |
15 | 13, 14 | fvmptg 5562 | . 2 |
16 | 5, 15 | mpdan 418 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wceq 1343 wcel 2136 crab 2448 cvv 2726 wss 3116 cpw 3559 cuni 3789 cint 3824 cmpt 4043 cfv 5188 ctop 12635 ccld 12732 ccl 12734 |
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 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-coll 4097 ax-sep 4100 ax-pow 4153 ax-pr 4187 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-reu 2451 df-rab 2453 df-v 2728 df-sbc 2952 df-csb 3046 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-iun 3868 df-br 3983 df-opab 4044 df-mpt 4045 df-id 4271 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-f1 5193 df-fo 5194 df-f1o 5195 df-fv 5196 df-top 12636 df-cls 12737 |
This theorem is referenced by: clsval 12751 |
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