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Mirrors > Home > MPE Home > Th. List > Mathboxes > topfneec2 | Structured version Visualization version Unicode version |
Description: A topology is precisely identified with its equivalence class. (Contributed by Jeff Hankins, 12-Oct-2009.) |
Ref | Expression |
---|---|
topfneec2.1 |
Ref | Expression |
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topfneec2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | topfneec2.1 | . . 3 | |
2 | 1 | fneval 32347 | . 2 |
3 | 1 | fneer 32348 | . . . 4 |
4 | 3 | a1i 11 | . . 3 |
5 | elex 3212 | . . . 4 | |
6 | 5 | adantr 481 | . . 3 |
7 | 4, 6 | erth 7791 | . 2 |
8 | tgtop 20777 | . . 3 | |
9 | tgtop 20777 | . . 3 | |
10 | 8, 9 | eqeqan12d 2638 | . 2 |
11 | 2, 7, 10 | 3bitr3d 298 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wcel 1990 cvv 3200 cin 3573 class class class wbr 4653 ccnv 5113 cfv 5888 wer 7739 cec 7740 ctg 16098 ctop 20698 cfne 32331 |
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-fv 5896 df-er 7742 df-ec 7744 df-topgen 16104 df-top 20699 df-fne 32332 |
This theorem is referenced by: (None) |
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