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Mirrors > Home > ILE Home > Th. List > psmetrel | Unicode version |
Description: The class of pseudometrics is a relation. (Contributed by Jim Kingdon, 24-Apr-2023.) |
Ref | Expression |
---|---|
psmetrel | PsMet |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mptrel 4748 | . 2 | |
2 | df-psmet 13058 | . . 3 PsMet | |
3 | 2 | releqi 4703 | . 2 PsMet |
4 | 1, 3 | mpbir 146 | 1 PsMet |
Colors of variables: wff set class |
Syntax hints: wa 104 wceq 1353 wral 2453 crab 2457 cvv 2735 class class class wbr 3998 cmpt 4059 cxp 4618 wrel 4625 (class class class)co 5865 cmap 6638 cc0 7786 cxr 7965 cle 7967 cxad 9741 PsMetcpsmet 13050 |
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-io 709 ax-5 1445 ax-7 1446 ax-gen 1447 ax-ie1 1491 ax-ie2 1492 ax-8 1502 ax-10 1503 ax-11 1504 ax-i12 1505 ax-bndl 1507 ax-4 1508 ax-17 1524 ax-i9 1528 ax-ial 1532 ax-i5r 1533 ax-14 2149 ax-ext 2157 ax-sep 4116 ax-pow 4169 ax-pr 4203 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1459 df-sb 1761 df-clab 2162 df-cleq 2168 df-clel 2171 df-nfc 2306 df-ral 2458 df-rex 2459 df-v 2737 df-un 3131 df-in 3133 df-ss 3140 df-pw 3574 df-sn 3595 df-pr 3596 df-op 3598 df-opab 4060 df-mpt 4061 df-xp 4626 df-rel 4627 df-psmet 13058 |
This theorem is referenced by: blfvalps 13456 blvalps 13459 blfps 13480 |
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