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Mirrors > Home > ILE Home > Th. List > xmetres2 | Unicode version |
Description: Restriction of an extended metric. (Contributed by Mario Carneiro, 20-Aug-2015.) |
Ref | Expression |
---|---|
xmetres2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xmetrel 12515 | . . . . 5 | |
2 | relelfvdm 5453 | . . . . 5 | |
3 | 1, 2 | mpan 420 | . . . 4 |
4 | 3 | adantr 274 | . . 3 |
5 | simpr 109 | . . 3 | |
6 | 4, 5 | ssexd 4068 | . 2 |
7 | xmetf 12522 | . . . 4 | |
8 | 7 | adantr 274 | . . 3 |
9 | xpss12 4646 | . . . 4 | |
10 | 5, 9 | sylancom 416 | . . 3 |
11 | 8, 10 | fssresd 5299 | . 2 |
12 | ovres 5910 | . . . . 5 | |
13 | 12 | adantl 275 | . . . 4 |
14 | 13 | eqeq1d 2148 | . . 3 |
15 | simpll 518 | . . . 4 | |
16 | simplr 519 | . . . . 5 | |
17 | simprl 520 | . . . . 5 | |
18 | 16, 17 | sseldd 3098 | . . . 4 |
19 | simprr 521 | . . . . 5 | |
20 | 16, 19 | sseldd 3098 | . . . 4 |
21 | xmeteq0 12531 | . . . 4 | |
22 | 15, 18, 20, 21 | syl3anc 1216 | . . 3 |
23 | 14, 22 | bitrd 187 | . 2 |
24 | simpll 518 | . . . 4 | |
25 | simplr 519 | . . . . 5 | |
26 | simpr3 989 | . . . . 5 | |
27 | 25, 26 | sseldd 3098 | . . . 4 |
28 | 18 | 3adantr3 1142 | . . . 4 |
29 | 20 | 3adantr3 1142 | . . . 4 |
30 | xmettri2 12533 | . . . 4 | |
31 | 24, 27, 28, 29, 30 | syl13anc 1218 | . . 3 |
32 | 13 | 3adantr3 1142 | . . 3 |
33 | simpr1 987 | . . . . 5 | |
34 | 26, 33 | ovresd 5911 | . . . 4 |
35 | simpr2 988 | . . . . 5 | |
36 | 26, 35 | ovresd 5911 | . . . 4 |
37 | 34, 36 | oveq12d 5792 | . . 3 |
38 | 31, 32, 37 | 3brtr4d 3960 | . 2 |
39 | 6, 11, 23, 38 | isxmetd 12519 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 w3a 962 wceq 1331 wcel 1480 wss 3071 class class class wbr 3929 cxp 4537 cdm 4539 cres 4541 wrel 4544 wf 5119 cfv 5123 (class class class)co 5774 cc0 7623 cxr 7802 cle 7804 cxad 9560 cxmet 12152 |
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 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-setind 4452 ax-cnex 7714 ax-resscn 7715 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 df-sbc 2910 df-csb 3004 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-iun 3815 df-br 3930 df-opab 3990 df-mpt 3991 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 df-iota 5088 df-fun 5125 df-fn 5126 df-f 5127 df-fv 5131 df-ov 5777 df-oprab 5778 df-mpo 5779 df-1st 6038 df-2nd 6039 df-map 6544 df-pnf 7805 df-mnf 7806 df-xr 7807 df-xmet 12160 |
This theorem is referenced by: metres2 12553 xmetres 12554 xmetresbl 12612 metrest 12678 divcnap 12727 cncfmet 12751 limcimolemlt 12805 cnplimcim 12808 cnplimclemr 12810 limccnpcntop 12816 limccnp2cntop 12818 |
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