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Mirrors > Home > ILE Home > Th. List > xmeter | Unicode version |
Description: The "finitely separated" relation is an equivalence relation. (Contributed by Mario Carneiro, 24-Aug-2015.) |
Ref | Expression |
---|---|
xmeter.1 |
Ref | Expression |
---|---|
xmeter |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xmeter.1 | . . . . 5 | |
2 | cnvimass 4897 | . . . . 5 | |
3 | 1, 2 | eqsstri 3124 | . . . 4 |
4 | xmetf 12508 | . . . 4 | |
5 | 3, 4 | fssdm 5282 | . . 3 |
6 | relxp 4643 | . . 3 | |
7 | relss 4621 | . . 3 | |
8 | 5, 6, 7 | mpisyl 1422 | . 2 |
9 | 1 | xmeterval 12593 | . . . . 5 |
10 | 9 | biimpa 294 | . . . 4 |
11 | 10 | simp2d 994 | . . 3 |
12 | 10 | simp1d 993 | . . 3 |
13 | simpl 108 | . . . . 5 | |
14 | xmetsym 12526 | . . . . 5 | |
15 | 13, 12, 11, 14 | syl3anc 1216 | . . . 4 |
16 | 10 | simp3d 995 | . . . 4 |
17 | 15, 16 | eqeltrrd 2215 | . . 3 |
18 | 1 | xmeterval 12593 | . . . 4 |
19 | 18 | adantr 274 | . . 3 |
20 | 11, 12, 17, 19 | mpbir3and 1164 | . 2 |
21 | 12 | adantrr 470 | . . 3 |
22 | 1 | xmeterval 12593 | . . . . . 6 |
23 | 22 | biimpa 294 | . . . . 5 |
24 | 23 | adantrl 469 | . . . 4 |
25 | 24 | simp2d 994 | . . 3 |
26 | simpl 108 | . . . 4 | |
27 | 16 | adantrr 470 | . . . . 5 |
28 | 24 | simp3d 995 | . . . . 5 |
29 | rexadd 9628 | . . . . . 6 | |
30 | readdcl 7739 | . . . . . 6 | |
31 | 29, 30 | eqeltrd 2214 | . . . . 5 |
32 | 27, 28, 31 | syl2anc 408 | . . . 4 |
33 | 11 | adantrr 470 | . . . . 5 |
34 | xmettri 12530 | . . . . 5 | |
35 | 26, 21, 25, 33, 34 | syl13anc 1218 | . . . 4 |
36 | xmetlecl 12525 | . . . 4 | |
37 | 26, 21, 25, 32, 35, 36 | syl122anc 1225 | . . 3 |
38 | 1 | xmeterval 12593 | . . . 4 |
39 | 38 | adantr 274 | . . 3 |
40 | 21, 25, 37, 39 | mpbir3and 1164 | . 2 |
41 | xmet0 12521 | . . . . . . 7 | |
42 | 0re 7759 | . . . . . . 7 | |
43 | 41, 42 | eqeltrdi 2228 | . . . . . 6 |
44 | 43 | ex 114 | . . . . 5 |
45 | 44 | pm4.71rd 391 | . . . 4 |
46 | df-3an 964 | . . . . 5 | |
47 | anidm 393 | . . . . . 6 | |
48 | 47 | anbi2ci 454 | . . . . 5 |
49 | 46, 48 | bitri 183 | . . . 4 |
50 | 45, 49 | syl6bbr 197 | . . 3 |
51 | 1 | xmeterval 12593 | . . 3 |
52 | 50, 51 | bitr4d 190 | . 2 |
53 | 8, 20, 40, 52 | iserd 6448 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 w3a 962 wceq 1331 wcel 1480 wss 3066 class class class wbr 3924 cxp 4532 ccnv 4533 cdm 4534 cima 4537 wrel 4539 cfv 5118 (class class class)co 5767 wer 6419 cr 7612 cc0 7613 caddc 7616 cxr 7792 cle 7794 cxad 9550 cxmet 12138 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 ax-un 4350 ax-setind 4447 ax-cnex 7704 ax-resscn 7705 ax-1cn 7706 ax-1re 7707 ax-icn 7708 ax-addcl 7709 ax-addrcl 7710 ax-mulcl 7711 ax-mulrcl 7712 ax-addcom 7713 ax-mulcom 7714 ax-addass 7715 ax-mulass 7716 ax-distr 7717 ax-i2m1 7718 ax-0lt1 7719 ax-1rid 7720 ax-0id 7721 ax-rnegex 7722 ax-precex 7723 ax-cnre 7724 ax-pre-ltirr 7725 ax-pre-ltwlin 7726 ax-pre-lttrn 7727 ax-pre-apti 7728 ax-pre-ltadd 7729 ax-pre-mulgt0 7730 |
This theorem depends on definitions: df-bi 116 df-dc 820 df-3or 963 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ne 2307 df-nel 2402 df-ral 2419 df-rex 2420 df-reu 2421 df-rab 2423 df-v 2683 df-sbc 2905 df-csb 2999 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-if 3470 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-iun 3810 df-br 3925 df-opab 3985 df-mpt 3986 df-id 4210 df-po 4213 df-iso 4214 df-xp 4540 df-rel 4541 df-cnv 4542 df-co 4543 df-dm 4544 df-rn 4545 df-res 4546 df-ima 4547 df-iota 5083 df-fun 5120 df-fn 5121 df-f 5122 df-fv 5126 df-riota 5723 df-ov 5770 df-oprab 5771 df-mpo 5772 df-1st 6031 df-2nd 6032 df-er 6422 df-map 6537 df-pnf 7795 df-mnf 7796 df-xr 7797 df-ltxr 7798 df-le 7799 df-sub 7928 df-neg 7929 df-2 8772 df-xadd 9553 df-xmet 12146 |
This theorem is referenced by: blpnfctr 12597 xmetresbl 12598 |
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