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Mirrors > Home > ILE Home > Th. List > ismet | Unicode version |
Description: Express the predicate " is a metric". (Contributed by NM, 25-Aug-2006.) (Revised by Mario Carneiro, 14-Aug-2015.) |
Ref | Expression |
---|---|
ismet |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elex 2737 | . . . . 5 | |
2 | fnmap 6621 | . . . . . . . 8 | |
3 | reex 7887 | . . . . . . . 8 | |
4 | sqxpexg 4720 | . . . . . . . 8 | |
5 | fnovex 5875 | . . . . . . . 8 | |
6 | 2, 3, 4, 5 | mp3an12i 1331 | . . . . . . 7 |
7 | rabexg 4125 | . . . . . . 7 | |
8 | 6, 7 | syl 14 | . . . . . 6 |
9 | xpeq12 4623 | . . . . . . . . . 10 | |
10 | 9 | anidms 395 | . . . . . . . . 9 |
11 | 10 | oveq2d 5858 | . . . . . . . 8 |
12 | raleq 2661 | . . . . . . . . . . 11 | |
13 | 12 | anbi2d 460 | . . . . . . . . . 10 |
14 | 13 | raleqbi1dv 2669 | . . . . . . . . 9 |
15 | 14 | raleqbi1dv 2669 | . . . . . . . 8 |
16 | 11, 15 | rabeqbidv 2721 | . . . . . . 7 |
17 | df-met 12629 | . . . . . . 7 | |
18 | 16, 17 | fvmptg 5562 | . . . . . 6 |
19 | 8, 18 | mpdan 418 | . . . . 5 |
20 | 1, 19 | syl 14 | . . . 4 |
21 | 20 | eleq2d 2236 | . . 3 |
22 | oveq 5848 | . . . . . . . 8 | |
23 | 22 | eqeq1d 2174 | . . . . . . 7 |
24 | 23 | bibi1d 232 | . . . . . 6 |
25 | oveq 5848 | . . . . . . . . 9 | |
26 | oveq 5848 | . . . . . . . . 9 | |
27 | 25, 26 | oveq12d 5860 | . . . . . . . 8 |
28 | 22, 27 | breq12d 3995 | . . . . . . 7 |
29 | 28 | ralbidv 2466 | . . . . . 6 |
30 | 24, 29 | anbi12d 465 | . . . . 5 |
31 | 30 | 2ralbidv 2490 | . . . 4 |
32 | 31 | elrab 2882 | . . 3 |
33 | 21, 32 | bitrdi 195 | . 2 |
34 | sqxpexg 4720 | . . . 4 | |
35 | elmapg 6627 | . . . 4 | |
36 | 3, 34, 35 | sylancr 411 | . . 3 |
37 | 36 | anbi1d 461 | . 2 |
38 | 33, 37 | bitrd 187 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1343 wcel 2136 wral 2444 crab 2448 cvv 2726 class class class wbr 3982 cxp 4602 wfn 5183 wf 5184 cfv 5188 (class class class)co 5842 cmap 6614 cr 7752 cc0 7753 caddc 7756 cle 7934 cmet 12621 |
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 604 ax-in2 605 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-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-cnex 7844 ax-resscn 7845 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 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-ne 2337 df-ral 2449 df-rex 2450 df-rab 2453 df-v 2728 df-sbc 2952 df-csb 3046 df-dif 3118 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-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-fv 5196 df-ov 5845 df-oprab 5846 df-mpo 5847 df-1st 6108 df-2nd 6109 df-map 6616 df-met 12629 |
This theorem is referenced by: ismeti 12986 metflem 12989 ismet2 12994 |
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