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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 15048 |
. . . 4
| |
| 2 | 1 | adantr 276 |
. . 3
|
| 3 | simpr 110 |
. . . 4
| |
| 4 | xpss12 4833 |
. . . 4
| |
| 5 | 3, 3, 4 | syl2anc 411 |
. . 3
|
| 6 | 2, 5 | fssresd 5513 |
. 2
|
| 7 | simpr 110 |
. . . . . 6
| |
| 8 | 7, 7 | ovresd 6162 |
. . . . 5
|
| 9 | simpll 527 |
. . . . . 6
| |
| 10 | 3 | sselda 3227 |
. . . . . 6
|
| 11 | psmet0 15050 |
. . . . . 6
| |
| 12 | 9, 10, 11 | syl2anc 411 |
. . . . 5
|
| 13 | 8, 12 | eqtrd 2264 |
. . . 4
|
| 14 | 9 | ad2antrr 488 |
. . . . . . . 8
|
| 15 | 3 | ad2antrr 488 |
. . . . . . . . 9
|
| 16 | 15 | sselda 3227 |
. . . . . . . 8
|
| 17 | 10 | ad2antrr 488 |
. . . . . . . 8
|
| 18 | 3 | adantr 276 |
. . . . . . . . . 10
|
| 19 | 18 | sselda 3227 |
. . . . . . . . 9
|
| 20 | 19 | adantr 276 |
. . . . . . . 8
|
| 21 | psmettri2 15051 |
. . . . . . . 8
| |
| 22 | 14, 16, 17, 20, 21 | syl13anc 1275 |
. . . . . . 7
|
| 23 | 7 | adantr 276 |
. . . . . . . . 9
|
| 24 | simpr 110 |
. . . . . . . . 9
| |
| 25 | 23, 24 | ovresd 6162 |
. . . . . . . 8
|
| 26 | 25 | adantr 276 |
. . . . . . 7
|
| 27 | simpr 110 |
. . . . . . . . 9
| |
| 28 | 7 | ad2antrr 488 |
. . . . . . . . 9
|
| 29 | 27, 28 | ovresd 6162 |
. . . . . . . 8
|
| 30 | 24 | adantr 276 |
. . . . . . . . 9
|
| 31 | 27, 30 | ovresd 6162 |
. . . . . . . 8
|
| 32 | 29, 31 | oveq12d 6035 |
. . . . . . 7
|
| 33 | 22, 26, 32 | 3brtr4d 4120 |
. . . . . 6
|
| 34 | 33 | ralrimiva 2605 |
. . . . 5
|
| 35 | 34 | ralrimiva 2605 |
. . . 4
|
| 36 | 13, 35 | jca 306 |
. . 3
|
| 37 | 36 | ralrimiva 2605 |
. 2
|
| 38 | df-psmet 14556 |
. . . . . 6
| |
| 39 | 38 | mptrcl 5729 |
. . . . 5
|
| 40 | 39 | adantr 276 |
. . . 4
|
| 41 | 40, 3 | ssexd 4229 |
. . 3
|
| 42 | ispsmet 15046 |
. . 3
| |
| 43 | 41, 42 | syl 14 |
. 2
|
| 44 | 6, 37, 43 | mpbir2and 952 |
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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-cnex 8122 ax-resscn 8123 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-fv 5334 df-ov 6020 df-oprab 6021 df-mpo 6022 df-map 6818 df-pnf 8215 df-mnf 8216 df-xr 8217 df-psmet 14556 |
| This theorem is referenced by: (None) |
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