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Mirrors > Home > ILE Home > Th. List > cnpfval | Unicode version |
Description: The function mapping the points in a topology to the set of all functions from to topology continuous at that point. (Contributed by NM, 17-Oct-2006.) (Revised by Mario Carneiro, 21-Aug-2015.) |
Ref | Expression |
---|---|
cnpfval | TopOn TopOn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-cnp 12983 | . . 3 | |
2 | 1 | a1i 9 | . 2 TopOn TopOn |
3 | simprl 526 | . . . . 5 TopOn TopOn | |
4 | 3 | unieqd 3807 | . . . 4 TopOn TopOn |
5 | toponuni 12807 | . . . . 5 TopOn | |
6 | 5 | ad2antrr 485 | . . . 4 TopOn TopOn |
7 | 4, 6 | eqtr4d 2206 | . . 3 TopOn TopOn |
8 | simprr 527 | . . . . . . 7 TopOn TopOn | |
9 | 8 | unieqd 3807 | . . . . . 6 TopOn TopOn |
10 | toponuni 12807 | . . . . . . 7 TopOn | |
11 | 10 | ad2antlr 486 | . . . . . 6 TopOn TopOn |
12 | 9, 11 | eqtr4d 2206 | . . . . 5 TopOn TopOn |
13 | 12, 7 | oveq12d 5871 | . . . 4 TopOn TopOn |
14 | 3 | rexeqdv 2672 | . . . . . 6 TopOn TopOn |
15 | 14 | imbi2d 229 | . . . . 5 TopOn TopOn |
16 | 8, 15 | raleqbidv 2677 | . . . 4 TopOn TopOn |
17 | 13, 16 | rabeqbidv 2725 | . . 3 TopOn TopOn |
18 | 7, 17 | mpteq12dv 4071 | . 2 TopOn TopOn |
19 | topontop 12806 | . . 3 TopOn | |
20 | 19 | adantr 274 | . 2 TopOn TopOn |
21 | topontop 12806 | . . 3 TopOn | |
22 | 21 | adantl 275 | . 2 TopOn TopOn |
23 | fnmap 6633 | . . . . . . . 8 | |
24 | 23 | a1i 9 | . . . . . . 7 TopOn TopOn |
25 | toponmax 12817 | . . . . . . . . 9 TopOn | |
26 | 25 | elexd 2743 | . . . . . . . 8 TopOn |
27 | 26 | adantl 275 | . . . . . . 7 TopOn TopOn |
28 | toponmax 12817 | . . . . . . . . 9 TopOn | |
29 | 28 | elexd 2743 | . . . . . . . 8 TopOn |
30 | 29 | adantr 274 | . . . . . . 7 TopOn TopOn |
31 | fnovex 5886 | . . . . . . 7 | |
32 | 24, 27, 30, 31 | syl3anc 1233 | . . . . . 6 TopOn TopOn |
33 | 32 | adantr 274 | . . . . 5 TopOn TopOn |
34 | ssrab2 3232 | . . . . . 6 | |
35 | elpw2g 4142 | . . . . . 6 | |
36 | 34, 35 | mpbiri 167 | . . . . 5 |
37 | 33, 36 | syl 14 | . . . 4 TopOn TopOn |
38 | 37 | fmpttd 5651 | . . 3 TopOn TopOn |
39 | 28 | adantr 274 | . . 3 TopOn TopOn |
40 | 32 | pwexd 4167 | . . 3 TopOn TopOn |
41 | fex2 5366 | . . 3 | |
42 | 38, 39, 40, 41 | syl3anc 1233 | . 2 TopOn TopOn |
43 | 2, 18, 20, 22, 42 | ovmpod 5980 | 1 TopOn TopOn |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1348 wcel 2141 wral 2448 wrex 2449 crab 2452 cvv 2730 wss 3121 cpw 3566 cuni 3796 cmpt 4050 cxp 4609 cima 4614 wfn 5193 wf 5194 cfv 5198 (class class class)co 5853 cmpo 5855 cmap 6626 ctop 12789 TopOnctopon 12802 ccnp 12980 |
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-sep 4107 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-setind 4521 |
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-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 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-iun 3875 df-br 3990 df-opab 4051 df-mpt 4052 df-id 4278 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-res 4623 df-ima 4624 df-iota 5160 df-fun 5200 df-fn 5201 df-f 5202 df-fv 5206 df-ov 5856 df-oprab 5857 df-mpo 5858 df-1st 6119 df-2nd 6120 df-map 6628 df-top 12790 df-topon 12803 df-cnp 12983 |
This theorem is referenced by: cnpval 12992 |
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