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Mirrors > Home > MPE Home > Th. List > eqimss2 | Structured version Visualization version GIF version |
Description: Equality implies the subclass relation. (Contributed by NM, 23-Nov-2003.) |
Ref | Expression |
---|---|
eqimss2 | ⊢ (𝐵 = 𝐴 → 𝐴 ⊆ 𝐵) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqimss 4023 | . 2 ⊢ (𝐴 = 𝐵 → 𝐴 ⊆ 𝐵) | |
2 | 1 | eqcoms 2829 | 1 ⊢ (𝐵 = 𝐴 → 𝐴 ⊆ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1537 ⊆ wss 3936 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-clab 2800 df-cleq 2814 df-clel 2893 df-in 3943 df-ss 3952 |
This theorem is referenced by: pweq 4555 ifpprsnss 4700 unieq 4849 disjeq2 5035 disjeq1 5038 poeq2 5478 freq2 5526 seeq1 5527 seeq2 5528 dmcoeq 5845 xp11 6032 suc11 6294 funeq 6375 fimadmfoALT 6601 fconst3 6976 sorpssuni 7458 sorpssint 7459 tposeq 7894 oaass 8187 odi 8205 oen0 8212 inficl 8889 fodomfi2 9486 zorng 9926 rlimclim 14903 imasaddfnlem 16801 imasvscafn 16810 gasubg 18432 pgpssslw 18739 dprddisj2 19161 dprd2da 19164 evlslem6 20294 topgele 21538 topontopn 21548 connima 22033 islocfin 22125 ptbasfi 22189 txdis 22240 neifil 22488 elfm3 22558 rnelfmlem 22560 alexsubALTlem3 22657 alexsubALTlem4 22658 utopsnneiplem 22856 lmclimf 23907 uniiccdif 24179 dv11cn 24598 plypf1 24802 2pthon3v 27722 hstoh 30009 dmdi2 30081 disjeq1f 30323 eulerpartlemd 31624 rrvdmss 31707 umgr2cycllem 32387 refssfne 33706 neibastop3 33710 topmeet 33712 topjoin 33713 fnemeet2 33715 fnejoin1 33716 bj-restuni 34391 bj-inexeqex 34449 bj-idreseq 34457 heiborlem3 35106 funALTVeq 35948 disjeq 35982 lsatelbN 36157 lkrscss 36249 lshpset2N 36270 mapdrvallem2 38796 hdmaprnlem3eN 39009 hdmaplkr 39064 uneqsn 40393 ssrecnpr 40660 founiiun 41455 founiiun0 41471 caragendifcl 42816 imasetpreimafvbijlemfo 43585 |
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