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Mirrors > Home > ILE Home > Th. List > xmetcl | Unicode version |
Description: Closure of the distance function of a metric space. Part of Property M1 of [Kreyszig] p. 3. (Contributed by NM, 30-Aug-2006.) |
Ref | Expression |
---|---|
xmetcl |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xmetf 12519 | . 2 | |
2 | fovrn 5913 | . 2 | |
3 | 1, 2 | syl3an1 1249 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 w3a 962 wcel 1480 cxp 4537 wf 5119 cfv 5123 (class class class)co 5774 cxr 7799 cxmet 12149 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-setind 4452 ax-cnex 7711 ax-resscn 7712 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 df-sbc 2910 df-csb 3004 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-iun 3815 df-br 3930 df-opab 3990 df-mpt 3991 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 df-iota 5088 df-fun 5125 df-fn 5126 df-f 5127 df-fv 5131 df-ov 5777 df-oprab 5778 df-mpo 5779 df-1st 6038 df-2nd 6039 df-map 6544 df-pnf 7802 df-mnf 7803 df-xr 7804 df-xmet 12157 |
This theorem is referenced by: xmetge0 12534 xmetlecl 12536 xmetsym 12537 xmetrtri 12545 xblpnf 12568 bldisj 12570 blgt0 12571 xblss2 12574 blhalf 12577 xblm 12586 blininf 12593 blss 12597 xmscl 12635 blsscls2 12662 comet 12668 bdxmet 12670 bdmet 12671 bdbl 12672 xmetxp 12676 xmetxpbl 12677 metcnpi3 12686 txmetcnp 12687 |
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