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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 3620 | . 2 ⊢ (𝐴 = 𝐵 → 𝐴 ⊆ 𝐵) | |
2 | 1 | eqcoms 2618 | 1 ⊢ (𝐵 = 𝐴 → 𝐴 ⊆ 𝐵) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ⊆ wss 3540 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-in 3547 df-ss 3554 |
This theorem is referenced by: disjeq2 4557 disjeq1 4560 poeq2 4963 freq2 5009 seeq1 5010 seeq2 5011 dmcoeq 5309 xp11 5488 suc11 5748 funeq 5823 fconst3 6382 sorpssuni 6844 sorpssint 6845 tposeq 7241 oaass 7528 odi 7546 oen0 7553 inficl 8214 cantnfp1lem1 8458 cantnflem1 8469 fodomfi2 8766 zorng 9209 rlimclim 14125 imasaddfnlem 16011 imasvscafn 16020 gasubg 17558 pgpssslw 17852 dprddisj2 18261 dprd2da 18264 evlslem6 19334 topgele 20549 topontopn 20557 toponmre 20707 conima 21038 islocfin 21130 ptbasfi 21194 txdis 21245 neifil 21494 elfm3 21564 rnelfmlem 21566 alexsubALTlem3 21663 alexsubALTlem4 21664 utopsnneiplem 21861 lmclimf 22910 uniiccdif 23152 dv11cn 23568 plypf1 23772 hstoh 28475 dmdi2 28547 disjeq1f 28769 eulerpartlemd 29755 rrvdmss 29838 refssfne 31523 neibastop3 31527 topmeet 31529 topjoin 31530 fnemeet2 31532 fnejoin1 31533 bj-restuni 32231 heiborlem3 32782 lsatelbN 33311 lkrscss 33403 lshpset2N 33424 mapdrvallem2 35952 hdmaprnlem3eN 36168 hdmaplkr 36223 uneqsn 37341 ssrecnpr 37529 founiiun 38355 founiiun0 38372 caragendifcl 39404 ifpprsnss 40845 2pthon3v-av 41150 |
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