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Mirrors > Home > MPE Home > Th. List > iscnp2 | Structured version Visualization version Unicode version |
Description: The predicate " is a continuous function from topology to topology at point ." Based on Theorem 7.2(g) of [Munkres] p. 107. (Contributed by Mario Carneiro, 21-Aug-2015.) |
Ref | Expression |
---|---|
iscn.1 | |
iscn.2 |
Ref | Expression |
---|---|
iscnp2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | n0i 3920 | . . . . . . 7 | |
2 | df-ov 6653 | . . . . . . . . . 10 | |
3 | ndmfv 6218 | . . . . . . . . . 10 | |
4 | 2, 3 | syl5eq 2668 | . . . . . . . . 9 |
5 | 4 | fveq1d 6193 | . . . . . . . 8 |
6 | 0fv 6227 | . . . . . . . 8 | |
7 | 5, 6 | syl6eq 2672 | . . . . . . 7 |
8 | 1, 7 | nsyl2 142 | . . . . . 6 |
9 | df-cnp 21032 | . . . . . . 7 | |
10 | ssrab2 3687 | . . . . . . . . . . 11 | |
11 | ovex 6678 | . . . . . . . . . . . 12 | |
12 | 11 | elpw2 4828 | . . . . . . . . . . 11 |
13 | 10, 12 | mpbir 221 | . . . . . . . . . 10 |
14 | 13 | rgenw 2924 | . . . . . . . . 9 |
15 | eqid 2622 | . . . . . . . . . 10 | |
16 | 15 | fmpt 6381 | . . . . . . . . 9 |
17 | 14, 16 | mpbi 220 | . . . . . . . 8 |
18 | vuniex 6954 | . . . . . . . 8 | |
19 | 11 | pwex 4848 | . . . . . . . 8 |
20 | fex2 7121 | . . . . . . . 8 | |
21 | 17, 18, 19, 20 | mp3an 1424 | . . . . . . 7 |
22 | 9, 21 | dmmpt2 7240 | . . . . . 6 |
23 | 8, 22 | syl6eleq 2711 | . . . . 5 |
24 | opelxp 5146 | . . . . 5 | |
25 | 23, 24 | sylib 208 | . . . 4 |
26 | 25 | simpld 475 | . . 3 |
27 | 25 | simprd 479 | . . 3 |
28 | elfvdm 6220 | . . . 4 | |
29 | iscn.1 | . . . . . . . . 9 | |
30 | 29 | toptopon 20722 | . . . . . . . 8 TopOn |
31 | iscn.2 | . . . . . . . . 9 | |
32 | 31 | toptopon 20722 | . . . . . . . 8 TopOn |
33 | cnpfval 21038 | . . . . . . . 8 TopOn TopOn | |
34 | 30, 32, 33 | syl2anb 496 | . . . . . . 7 |
35 | 25, 34 | syl 17 | . . . . . 6 |
36 | 35 | dmeqd 5326 | . . . . 5 |
37 | ovex 6678 | . . . . . . . 8 | |
38 | 37 | rabex 4813 | . . . . . . 7 |
39 | 38 | rgenw 2924 | . . . . . 6 |
40 | dmmptg 5632 | . . . . . 6 | |
41 | 39, 40 | ax-mp 5 | . . . . 5 |
42 | 36, 41 | syl6eq 2672 | . . . 4 |
43 | 28, 42 | eleqtrd 2703 | . . 3 |
44 | 26, 27, 43 | 3jca 1242 | . 2 |
45 | biid 251 | . . 3 | |
46 | iscnp 21041 | . . 3 TopOn TopOn | |
47 | 30, 32, 45, 46 | syl3anb 1369 | . 2 |
48 | 44, 47 | biadan2 674 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wb 196 wa 384 w3a 1037 wceq 1483 wcel 1990 wral 2912 wrex 2913 crab 2916 cvv 3200 wss 3574 c0 3915 cpw 4158 cop 4183 cuni 4436 cmpt 4729 cxp 5112 cdm 5114 cima 5117 wf 5884 cfv 5888 (class class class)co 6650 cmap 7857 ctop 20698 TopOnctopon 20715 ccnp 21029 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-8 1992 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 ax-sep 4781 ax-nul 4789 ax-pow 4843 ax-pr 4906 ax-un 6949 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-3an 1039 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-eu 2474 df-mo 2475 df-clab 2609 df-cleq 2615 df-clel 2618 df-nfc 2753 df-ne 2795 df-ral 2917 df-rex 2918 df-rab 2921 df-v 3202 df-sbc 3436 df-csb 3534 df-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-op 4184 df-uni 4437 df-iun 4522 df-br 4654 df-opab 4713 df-mpt 4730 df-id 5024 df-xp 5120 df-rel 5121 df-cnv 5122 df-co 5123 df-dm 5124 df-rn 5125 df-res 5126 df-ima 5127 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-fv 5896 df-ov 6653 df-oprab 6654 df-mpt2 6655 df-1st 7168 df-2nd 7169 df-map 7859 df-top 20699 df-topon 20716 df-cnp 21032 |
This theorem is referenced by: cnptop1 21046 cnptop2 21047 cnprcl 21049 cnpf 21051 cnpimaex 21060 cnpnei 21068 cnpco 21071 cnprest 21093 cnprest2 21094 |
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