![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > metxmet | Structured version Visualization version GIF version |
Description: A metric is an extended metric. (Contributed by Mario Carneiro, 20-Aug-2015.) |
Ref | Expression |
---|---|
metxmet | ⊢ (𝐷 ∈ (Met‘𝑋) → 𝐷 ∈ (∞Met‘𝑋)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ismet2 22940 | . 2 ⊢ (𝐷 ∈ (Met‘𝑋) ↔ (𝐷 ∈ (∞Met‘𝑋) ∧ 𝐷:(𝑋 × 𝑋)⟶ℝ)) | |
2 | 1 | simplbi 501 | 1 ⊢ (𝐷 ∈ (Met‘𝑋) → 𝐷 ∈ (∞Met‘𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2111 × cxp 5517 ⟶wf 6320 ‘cfv 6324 ℝcr 10525 ∞Metcxmet 20076 Metcmet 20077 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-cnex 10582 ax-resscn 10583 ax-1cn 10584 ax-icn 10585 ax-addcl 10586 ax-mulcl 10588 ax-i2m1 10594 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-nel 3092 df-ral 3111 df-rex 3112 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4801 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5425 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-ov 7138 df-oprab 7139 df-mpo 7140 df-er 8272 df-map 8391 df-en 8493 df-dom 8494 df-sdom 8495 df-pnf 10666 df-mnf 10667 df-xr 10668 df-xadd 12496 df-xmet 20084 df-met 20085 |
This theorem is referenced by: metdmdm 22943 meteq0 22946 mettri2 22948 met0 22950 metge0 22952 metsym 22957 metrtri 22964 metgt0 22966 metres2 22970 prdsmet 22977 imasf1omet 22983 blpnf 23004 bl2in 23007 isms2 23057 setsms 23087 tmsms 23094 metss2lem 23118 metss2 23119 methaus 23127 dscopn 23180 ngpocelbl 23310 cnxmet 23378 rexmet 23396 metdcn2 23444 metdsre 23458 metdscn2 23462 lebnumlem1 23566 lebnumlem2 23567 lebnumlem3 23568 lebnum 23569 xlebnum 23570 cmetcaulem 23892 cmetcau 23893 iscmet3lem1 23895 iscmet3lem2 23896 iscmet3 23897 equivcfil 23903 equivcau 23904 metsscmetcld 23919 cmetss 23920 relcmpcmet 23922 cmpcmet 23923 cncmet 23926 bcthlem2 23929 bcthlem3 23930 bcthlem4 23931 bcthlem5 23932 bcth2 23934 bcth3 23935 cmetcusp1 23957 cmetcusp 23958 minveclem3 24033 imsxmet 28475 blocni 28588 ubthlem1 28653 ubthlem2 28654 minvecolem4a 28660 hhxmet 28958 hilxmet 28978 fmcncfil 31284 blssp 35194 lmclim2 35196 geomcau 35197 caures 35198 caushft 35199 sstotbnd2 35212 equivtotbnd 35216 isbndx 35220 isbnd3 35222 ssbnd 35226 totbndbnd 35227 prdstotbnd 35232 prdsbnd2 35233 heibor1lem 35247 heibor1 35248 heiborlem3 35251 heiborlem6 35254 heiborlem8 35256 heiborlem9 35257 heiborlem10 35258 heibor 35259 bfplem1 35260 bfplem2 35261 rrncmslem 35270 ismrer1 35276 reheibor 35277 metpsmet 41727 qndenserrnbllem 42936 qndenserrnbl 42937 qndenserrnopnlem 42939 rrndsxmet 42945 hoiqssbllem2 43262 hoiqssbl 43264 opnvonmbllem2 43272 |
Copyright terms: Public domain | W3C validator |