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| 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 15207 |
. . . 4
| |
| 2 | 1 | adantr 276 |
. . 3
|
| 3 | simpr 110 |
. . . 4
| |
| 4 | xpss12 4859 |
. . . 4
| |
| 5 | 3, 3, 4 | syl2anc 411 |
. . 3
|
| 6 | 2, 5 | fssresd 5543 |
. 2
|
| 7 | simpr 110 |
. . . . . 6
| |
| 8 | 7, 7 | ovresd 6197 |
. . . . 5
|
| 9 | simpll 527 |
. . . . . 6
| |
| 10 | 3 | sselda 3240 |
. . . . . 6
|
| 11 | psmet0 15209 |
. . . . . 6
| |
| 12 | 9, 10, 11 | syl2anc 411 |
. . . . 5
|
| 13 | 8, 12 | eqtrd 2267 |
. . . 4
|
| 14 | 9 | ad2antrr 488 |
. . . . . . . 8
|
| 15 | 3 | ad2antrr 488 |
. . . . . . . . 9
|
| 16 | 15 | sselda 3240 |
. . . . . . . 8
|
| 17 | 10 | ad2antrr 488 |
. . . . . . . 8
|
| 18 | 3 | adantr 276 |
. . . . . . . . . 10
|
| 19 | 18 | sselda 3240 |
. . . . . . . . 9
|
| 20 | 19 | adantr 276 |
. . . . . . . 8
|
| 21 | psmettri2 15210 |
. . . . . . . 8
| |
| 22 | 14, 16, 17, 20, 21 | syl13anc 1276 |
. . . . . . 7
|
| 23 | 7 | adantr 276 |
. . . . . . . . 9
|
| 24 | simpr 110 |
. . . . . . . . 9
| |
| 25 | 23, 24 | ovresd 6197 |
. . . . . . . 8
|
| 26 | 25 | adantr 276 |
. . . . . . 7
|
| 27 | simpr 110 |
. . . . . . . . 9
| |
| 28 | 7 | ad2antrr 488 |
. . . . . . . . 9
|
| 29 | 27, 28 | ovresd 6197 |
. . . . . . . 8
|
| 30 | 24 | adantr 276 |
. . . . . . . . 9
|
| 31 | 27, 30 | ovresd 6197 |
. . . . . . . 8
|
| 32 | 29, 31 | oveq12d 6070 |
. . . . . . 7
|
| 33 | 22, 26, 32 | 3brtr4d 4143 |
. . . . . 6
|
| 34 | 33 | ralrimiva 2617 |
. . . . 5
|
| 35 | 34 | ralrimiva 2617 |
. . . 4
|
| 36 | 13, 35 | jca 306 |
. . 3
|
| 37 | 36 | ralrimiva 2617 |
. 2
|
| 38 | df-psmet 14708 |
. . . . . 6
| |
| 39 | 38 | mptrcl 5762 |
. . . . 5
|
| 40 | 39 | adantr 276 |
. . . 4
|
| 41 | 40, 3 | ssexd 4252 |
. . 3
|
| 42 | ispsmet 15205 |
. . 3
| |
| 43 | 41, 42 | syl 14 |
. 2
|
| 44 | 6, 37, 43 | mpbir2and 953 |
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 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4230 ax-pow 4289 ax-pr 4324 ax-un 4556 ax-setind 4661 ax-cnex 8220 ax-resscn 8221 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-sbc 3045 df-csb 3141 df-dif 3215 df-un 3217 df-in 3219 df-ss 3226 df-pw 3673 df-sn 3697 df-pr 3698 df-op 3700 df-uni 3917 df-br 4112 df-opab 4174 df-mpt 4175 df-id 4416 df-xp 4757 df-rel 4758 df-cnv 4759 df-co 4760 df-dm 4761 df-rn 4762 df-res 4763 df-ima 4764 df-iota 5314 df-fun 5356 df-fn 5357 df-f 5358 df-fv 5362 df-ov 6055 df-oprab 6056 df-mpo 6057 df-map 6886 df-pnf 8312 df-mnf 8313 df-xr 8314 df-psmet 14708 |
| This theorem is referenced by: (None) |
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