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Mirrors > Home > MPE Home > Th. List > eqsstrrdi | Structured version Visualization version GIF version |
Description: A chained subclass and equality deduction. (Contributed by Mario Carneiro, 2-Jan-2017.) |
Ref | Expression |
---|---|
eqsstrrdi.1 | ⊢ (𝜑 → 𝐵 = 𝐴) |
eqsstrrdi.2 | ⊢ 𝐵 ⊆ 𝐶 |
Ref | Expression |
---|---|
eqsstrrdi | ⊢ (𝜑 → 𝐴 ⊆ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqsstrrdi.1 | . . 3 ⊢ (𝜑 → 𝐵 = 𝐴) | |
2 | 1 | eqcomd 2827 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) |
3 | eqsstrrdi.2 | . 2 ⊢ 𝐵 ⊆ 𝐶 | |
4 | 2, 3 | eqsstrdi 4021 | 1 ⊢ (𝜑 → 𝐴 ⊆ 𝐶) |
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: mptss 5910 ffvresb 6888 tposss 7893 sbthlem5 8631 rankxpl 9304 winafp 10119 wunex2 10160 iooval2 12772 telfsumo 15157 structcnvcnv 16497 ressbasss 16556 tsrdir 17848 idresefmnd 18064 idrespermg 18539 symgsssg 18595 gsumzoppg 19064 opsrtoslem2 20265 dsmmsubg 20887 cnclsi 21880 txss12 22213 txbasval 22214 kqsat 22339 kqcldsat 22341 fmss 22554 cfilucfil 23169 tngtopn 23259 dvaddf 24539 dvmulf 24540 dvcof 24545 dvmptres3 24553 dvmptres2 24559 dvmptcmul 24561 dvmptcj 24565 dvcnvlem 24573 dvcnv 24574 dvcnvrelem1 24614 dvcnvrelem2 24615 plyrem 24894 ulmss 24985 ulmdvlem1 24988 ulmdvlem3 24990 ulmdv 24991 isppw 25691 dchrelbas2 25813 chsupsn 29190 pjss1coi 29940 off2 30388 resspos 30646 resstos 30647 submomnd 30711 suborng 30888 submatres 31071 madjusmdetlem2 31093 madjusmdetlem3 31094 omsmon 31556 signstfvn 31839 elmsta 32795 mthmpps 32829 dissneqlem 34624 exrecfnlem 34663 hbtlem6 39778 dvmulcncf 42259 dvdivcncf 42261 itgsubsticclem 42309 lidlssbas 44242 |
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