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Mirrors > Home > MPE Home > Th. List > cmpcovf | Structured version Visualization version Unicode version |
Description: Combine cmpcov 21192 with ac6sfi 8204 to show the existence of a function that indexes the elements that are generating the open cover. (Contributed by Mario Carneiro, 14-Sep-2014.) |
Ref | Expression |
---|---|
iscmp.1 | |
cmpcovf.2 |
Ref | Expression |
---|---|
cmpcovf |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simpl 473 | . 2 | |
2 | iscmp.1 | . . 3 | |
3 | 2 | cmpcov2 21193 | . 2 |
4 | elfpw 8268 | . . . 4 | |
5 | simplrl 800 | . . . . . . . 8 | |
6 | selpw 4165 | . . . . . . . 8 | |
7 | 5, 6 | sylibr 224 | . . . . . . 7 |
8 | simplrr 801 | . . . . . . 7 | |
9 | 7, 8 | elind 3798 | . . . . . 6 |
10 | simprl 794 | . . . . . 6 | |
11 | simprr 796 | . . . . . . 7 | |
12 | cmpcovf.2 | . . . . . . . 8 | |
13 | 12 | ac6sfi 8204 | . . . . . . 7 |
14 | 8, 11, 13 | syl2anc 693 | . . . . . 6 |
15 | unieq 4444 | . . . . . . . . 9 | |
16 | 15 | eqeq2d 2632 | . . . . . . . 8 |
17 | feq2 6027 | . . . . . . . . . 10 | |
18 | raleq 3138 | . . . . . . . . . 10 | |
19 | 17, 18 | anbi12d 747 | . . . . . . . . 9 |
20 | 19 | exbidv 1850 | . . . . . . . 8 |
21 | 16, 20 | anbi12d 747 | . . . . . . 7 |
22 | 21 | rspcev 3309 | . . . . . 6 |
23 | 9, 10, 14, 22 | syl12anc 1324 | . . . . 5 |
24 | 23 | ex 450 | . . . 4 |
25 | 4, 24 | sylan2b 492 | . . 3 |
26 | 25 | rexlimdva 3031 | . 2 |
27 | 1, 3, 26 | sylc 65 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wb 196 wa 384 wceq 1483 wex 1704 wcel 1990 wral 2912 wrex 2913 cin 3573 wss 3574 cpw 4158 cuni 4436 wf 5884 cfv 5888 cfn 7955 ccmp 21189 |
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-3or 1038 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-dif 3577 df-un 3579 df-in 3581 df-ss 3588 df-pss 3590 df-nul 3916 df-if 4087 df-pw 4160 df-sn 4178 df-pr 4180 df-tp 4182 df-op 4184 df-uni 4437 df-br 4654 df-opab 4713 df-tr 4753 df-id 5024 df-eprel 5029 df-po 5035 df-so 5036 df-fr 5073 df-we 5075 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-ord 5726 df-on 5727 df-lim 5728 df-suc 5729 df-iota 5851 df-fun 5890 df-fn 5891 df-f 5892 df-f1 5893 df-fo 5894 df-f1o 5895 df-fv 5896 df-om 7066 df-1o 7560 df-er 7742 df-en 7956 df-fin 7959 df-cmp 21190 |
This theorem is referenced by: txtube 21443 txcmplem1 21444 txcmplem2 21445 xkococnlem 21462 cnheibor 22754 heicant 33444 |
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