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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xmetf 12336 |
. 2
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2 | fovrn 5867 |
. 2
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3 | 1, 2 | syl3an1 1232 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 586 ax-in2 587 ax-io 681 ax-5 1406 ax-7 1407 ax-gen 1408 ax-ie1 1452 ax-ie2 1453 ax-8 1465 ax-10 1466 ax-11 1467 ax-i12 1468 ax-bndl 1469 ax-4 1470 ax-13 1474 ax-14 1475 ax-17 1489 ax-i9 1493 ax-ial 1497 ax-i5r 1498 ax-ext 2097 ax-sep 4006 ax-pow 4058 ax-pr 4091 ax-un 4315 ax-setind 4412 ax-cnex 7633 ax-resscn 7634 |
This theorem depends on definitions: df-bi 116 df-3an 947 df-tru 1317 df-fal 1320 df-nf 1420 df-sb 1719 df-eu 1978 df-mo 1979 df-clab 2102 df-cleq 2108 df-clel 2111 df-nfc 2244 df-ne 2283 df-ral 2395 df-rex 2396 df-rab 2399 df-v 2659 df-sbc 2879 df-csb 2972 df-dif 3039 df-un 3041 df-in 3043 df-ss 3050 df-pw 3478 df-sn 3499 df-pr 3500 df-op 3502 df-uni 3703 df-iun 3781 df-br 3896 df-opab 3950 df-mpt 3951 df-id 4175 df-xp 4505 df-rel 4506 df-cnv 4507 df-co 4508 df-dm 4509 df-rn 4510 df-res 4511 df-ima 4512 df-iota 5046 df-fun 5083 df-fn 5084 df-f 5085 df-fv 5089 df-ov 5731 df-oprab 5732 df-mpo 5733 df-1st 5992 df-2nd 5993 df-map 6498 df-pnf 7723 df-mnf 7724 df-xr 7725 df-xmet 11997 |
This theorem is referenced by: xmetge0 12351 xmetlecl 12353 xmetsym 12354 xmetrtri 12362 xblpnf 12385 bldisj 12387 blgt0 12388 xblss2 12391 blhalf 12394 xblm 12403 blininf 12410 blss 12414 xmscl 12452 blsscls2 12479 comet 12485 bdxmet 12487 bdmet 12488 bdbl 12489 xmetxp 12493 xmetxpbl 12494 metcnpi3 12503 txmetcnp 12504 |
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