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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 14930 |
. . . . 5
| |
| 2 | relelfvdm 5631 |
. . . . 5
| |
| 3 | 1, 2 | mpan 424 |
. . . 4
|
| 4 | 3 | adantr 276 |
. . 3
|
| 5 | simpr 110 |
. . 3
| |
| 6 | 4, 5 | ssexd 4200 |
. 2
|
| 7 | xmetf 14937 |
. . . 4
| |
| 8 | 7 | adantr 276 |
. . 3
|
| 9 | xpss12 4800 |
. . . 4
| |
| 10 | 5, 9 | sylancom 420 |
. . 3
|
| 11 | 8, 10 | fssresd 5474 |
. 2
|
| 12 | ovres 6109 |
. . . . 5
| |
| 13 | 12 | adantl 277 |
. . . 4
|
| 14 | 13 | eqeq1d 2216 |
. . 3
|
| 15 | simpll 527 |
. . . 4
| |
| 16 | simplr 528 |
. . . . 5
| |
| 17 | simprl 529 |
. . . . 5
| |
| 18 | 16, 17 | sseldd 3202 |
. . . 4
|
| 19 | simprr 531 |
. . . . 5
| |
| 20 | 16, 19 | sseldd 3202 |
. . . 4
|
| 21 | xmeteq0 14946 |
. . . 4
| |
| 22 | 15, 18, 20, 21 | syl3anc 1250 |
. . 3
|
| 23 | 14, 22 | bitrd 188 |
. 2
|
| 24 | simpll 527 |
. . . 4
| |
| 25 | simplr 528 |
. . . . 5
| |
| 26 | simpr3 1008 |
. . . . 5
| |
| 27 | 25, 26 | sseldd 3202 |
. . . 4
|
| 28 | 18 | 3adantr3 1161 |
. . . 4
|
| 29 | 20 | 3adantr3 1161 |
. . . 4
|
| 30 | xmettri2 14948 |
. . . 4
| |
| 31 | 24, 27, 28, 29, 30 | syl13anc 1252 |
. . 3
|
| 32 | 13 | 3adantr3 1161 |
. . 3
|
| 33 | simpr1 1006 |
. . . . 5
| |
| 34 | 26, 33 | ovresd 6110 |
. . . 4
|
| 35 | simpr2 1007 |
. . . . 5
| |
| 36 | 26, 35 | ovresd 6110 |
. . . 4
|
| 37 | 34, 36 | oveq12d 5985 |
. . 3
|
| 38 | 31, 32, 37 | 3brtr4d 4091 |
. 2
|
| 39 | 6, 11, 23, 38 | isxmetd 14934 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 711 ax-5 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-13 2180 ax-14 2181 ax-ext 2189 ax-sep 4178 ax-pow 4234 ax-pr 4269 ax-un 4498 ax-setind 4603 ax-cnex 8051 ax-resscn 8052 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-fal 1379 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ne 2379 df-ral 2491 df-rex 2492 df-rab 2495 df-v 2778 df-sbc 3006 df-csb 3102 df-dif 3176 df-un 3178 df-in 3180 df-ss 3187 df-pw 3628 df-sn 3649 df-pr 3650 df-op 3652 df-uni 3865 df-iun 3943 df-br 4060 df-opab 4122 df-mpt 4123 df-id 4358 df-xp 4699 df-rel 4700 df-cnv 4701 df-co 4702 df-dm 4703 df-rn 4704 df-res 4705 df-ima 4706 df-iota 5251 df-fun 5292 df-fn 5293 df-f 5294 df-fv 5298 df-ov 5970 df-oprab 5971 df-mpo 5972 df-1st 6249 df-2nd 6250 df-map 6760 df-pnf 8144 df-mnf 8145 df-xr 8146 df-xmet 14421 |
| This theorem is referenced by: metres2 14968 xmetres 14969 xmetresbl 15027 metrest 15093 divcnap 15152 cncfmet 15179 limcimolemlt 15251 cnplimcim 15254 cnplimclemr 15256 limccnpcntop 15262 limccnp2cntop 15264 |
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