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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 2804 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) |
3 | eqsstrrdi.2 | . 2 ⊢ 𝐵 ⊆ 𝐶 | |
4 | 2, 3 | eqsstrdi 3969 | 1 ⊢ (𝜑 → 𝐴 ⊆ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1538 ⊆ wss 3881 |
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-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-sb 2070 df-clab 2777 df-cleq 2791 df-clel 2870 df-v 3443 df-in 3888 df-ss 3898 |
This theorem is referenced by: mptss 5877 ffvresb 6865 tposss 7876 sbthlem5 8615 rankxpl 9288 winafp 10108 wunex2 10149 iooval2 12759 telfsumo 15149 structcnvcnv 16489 ressbasss 16548 tsrdir 17840 idresefmnd 18056 idrespermg 18531 symgsssg 18587 gsumzoppg 19057 dsmmsubg 20432 opsrtoslem2 20724 cnclsi 21877 txss12 22210 txbasval 22211 kqsat 22336 kqcldsat 22338 fmss 22551 cfilucfil 23166 tngtopn 23256 dvaddf 24545 dvmulf 24546 dvcof 24551 dvmptres3 24559 dvmptres2 24565 dvmptcmul 24567 dvmptcj 24571 dvcnvlem 24579 dvcnv 24580 dvcnvrelem1 24620 dvcnvrelem2 24621 plyrem 24901 ulmss 24992 ulmdvlem1 24995 ulmdvlem3 24997 ulmdv 24998 isppw 25699 dchrelbas2 25821 chsupsn 29196 pjss1coi 29946 off2 30402 resspos 30672 resstos 30673 submomnd 30761 suborng 30939 elrspunidl 31014 submatres 31159 madjusmdetlem2 31181 madjusmdetlem3 31182 omsmon 31666 signstfvn 31949 elmsta 32908 mthmpps 32942 dissneqlem 34757 exrecfnlem 34796 hbtlem6 40073 dvmulcncf 42567 dvdivcncf 42569 itgsubsticclem 42617 lidlssbas 44546 |
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