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Mirrors > Home > ILE Home > Th. List > xmetunirn | Unicode version |
Description: Two ways to express an extended metric on an unspecified base. (Contributed by Mario Carneiro, 13-Oct-2015.) |
Ref | Expression |
---|---|
xmetunirn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fnmap 6633 | . . . . . . 7 | |
2 | xrex 9813 | . . . . . . 7 | |
3 | sqxpexg 4727 | . . . . . . . 8 | |
4 | 3 | elv 2734 | . . . . . . 7 |
5 | fnovex 5886 | . . . . . . 7 | |
6 | 1, 2, 4, 5 | mp3an 1332 | . . . . . 6 |
7 | 6 | rabex 4133 | . . . . 5 |
8 | df-xmet 12782 | . . . . 5 | |
9 | 7, 8 | fnmpti 5326 | . . . 4 |
10 | fnunirn 5746 | . . . 4 | |
11 | 9, 10 | ax-mp 5 | . . 3 |
12 | id 19 | . . . . 5 | |
13 | xmetdmdm 13150 | . . . . . 6 | |
14 | 13 | fveq2d 5500 | . . . . 5 |
15 | 12, 14 | eleqtrd 2249 | . . . 4 |
16 | 15 | rexlimivw 2583 | . . 3 |
17 | 11, 16 | sylbi 120 | . 2 |
18 | elex 2741 | . . . . . 6 | |
19 | dmexg 4875 | . . . . . 6 | |
20 | dmexg 4875 | . . . . . 6 | |
21 | 18, 19, 20 | 3syl 17 | . . . . 5 |
22 | fvssunirng 5511 | . . . . 5 | |
23 | 21, 22 | syl 14 | . . . 4 |
24 | 23 | sseld 3146 | . . 3 |
25 | 24 | pm2.43i 49 | . 2 |
26 | 17, 25 | impbii 125 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wb 104 wceq 1348 wcel 2141 wral 2448 wrex 2449 crab 2452 cvv 2730 wss 3121 cuni 3796 class class class wbr 3989 cxp 4609 cdm 4611 crn 4612 wfn 5193 cfv 5198 (class class class)co 5853 cmap 6626 cc0 7774 cxr 7953 cle 7955 cxad 9727 cxmet 12774 |
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 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-setind 4521 ax-cnex 7865 ax-resscn 7866 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-fal 1354 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ne 2341 df-ral 2453 df-rex 2454 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-iun 3875 df-br 3990 df-opab 4051 df-mpt 4052 df-id 4278 df-xp 4617 df-rel 4618 df-cnv 4619 df-co 4620 df-dm 4621 df-rn 4622 df-res 4623 df-ima 4624 df-iota 5160 df-fun 5200 df-fn 5201 df-f 5202 df-fv 5206 df-ov 5856 df-oprab 5857 df-mpo 5858 df-1st 6119 df-2nd 6120 df-map 6628 df-pnf 7956 df-mnf 7957 df-xr 7958 df-xmet 12782 |
This theorem is referenced by: isxms2 13246 |
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