| Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > ILE Home > Th. List > psmetres2 | Unicode version | ||
| Description: Restriction of a pseudometric. (Contributed by Thierry Arnoux, 11-Feb-2018.) |
| Ref | Expression |
|---|---|
| psmetres2 |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | psmetf 15349 |
. . . 4
| |
| 2 | 1 | adantr 276 |
. . 3
|
| 3 | simpr 110 |
. . . 4
| |
| 4 | xpss12 4877 |
. . . 4
| |
| 5 | 3, 3, 4 | syl2anc 415 |
. . 3
|
| 6 | 2, 5 | fssresd 5561 |
. 2
|
| 7 | simpr 110 |
. . . . . 6
| |
| 8 | 7, 7 | ovresd 6220 |
. . . . 5
|
| 9 | simpll 531 |
. . . . . 6
| |
| 10 | 3 | sselda 3248 |
. . . . . 6
|
| 11 | psmet0 15351 |
. . . . . 6
| |
| 12 | 9, 10, 11 | syl2anc 415 |
. . . . 5
|
| 13 | 8, 12 | eqtrd 2271 |
. . . 4
|
| 14 | 9 | ad2antrr 492 |
. . . . . . . 8
|
| 15 | 3 | ad2antrr 492 |
. . . . . . . . 9
|
| 16 | 15 | sselda 3248 |
. . . . . . . 8
|
| 17 | 10 | ad2antrr 492 |
. . . . . . . 8
|
| 18 | 3 | adantr 276 |
. . . . . . . . . 10
|
| 19 | 18 | sselda 3248 |
. . . . . . . . 9
|
| 20 | 19 | adantr 276 |
. . . . . . . 8
|
| 21 | psmettri2 15352 |
. . . . . . . 8
| |
| 22 | 14, 16, 17, 20, 21 | syl13anc 1280 |
. . . . . . 7
|
| 23 | 7 | adantr 276 |
. . . . . . . . 9
|
| 24 | simpr 110 |
. . . . . . . . 9
| |
| 25 | 23, 24 | ovresd 6220 |
. . . . . . . 8
|
| 26 | 25 | adantr 276 |
. . . . . . 7
|
| 27 | simpr 110 |
. . . . . . . . 9
| |
| 28 | 7 | ad2antrr 492 |
. . . . . . . . 9
|
| 29 | 27, 28 | ovresd 6220 |
. . . . . . . 8
|
| 30 | 24 | adantr 276 |
. . . . . . . . 9
|
| 31 | 27, 30 | ovresd 6220 |
. . . . . . . 8
|
| 32 | 29, 31 | oveq12d 6093 |
. . . . . . 7
|
| 33 | 22, 26, 32 | 3brtr4d 4157 |
. . . . . 6
|
| 34 | 33 | ralrimiva 2623 |
. . . . 5
|
| 35 | 34 | ralrimiva 2623 |
. . . 4
|
| 36 | 13, 35 | jca 306 |
. . 3
|
| 37 | 36 | ralrimiva 2623 |
. 2
|
| 38 | df-psmet 14852 |
. . . . . 6
| |
| 39 | 38 | mptrcl 5782 |
. . . . 5
|
| 40 | 39 | adantr 276 |
. . . 4
|
| 41 | 40, 3 | ssexd 4268 |
. . 3
|
| 42 | ispsmet 15347 |
. . 3
| |
| 43 | 41, 42 | syl 14 |
. 2
|
| 44 | 6, 37, 43 | mpbir2and 957 |
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 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-cnex 8260 ax-resscn 8261 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-mpt 4189 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-map 6914 df-pnf 8352 df-mnf 8353 df-xr 8354 df-psmet 14852 |
| This theorem is referenced by: (None) |
| Copyright terms: Public domain | W3C validator |