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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 2743 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) |
| 3 | eqsstrrdi.2 | . 2 ⊢ 𝐵 ⊆ 𝐶 | |
| 4 | 2, 3 | eqsstrdi 3967 | 1 ⊢ (𝜑 → 𝐴 ⊆ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ⊆ wss 3890 |
| 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 1912 ax-6 1969 ax-7 2010 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-ex 1782 df-cleq 2729 df-ss 3907 |
| This theorem is referenced by: eqimsscd 3980 mptss 6001 ffvresb 7072 tposss 8170 sbthlem5 9022 rankxpl 9790 winafp 10611 wunex2 10652 iooval2 13322 telfsumo 15756 structcnvcnv 17114 ressbasssg 17198 ressbasssOLD 17201 resspos 18386 resstos 18387 tsrdir 18561 idresefmnd 18858 idrespermg 19377 symgsssg 19433 gsumzoppg 19910 submomnd 20098 suborng 20844 lidlssbas 21203 dsmmsubg 21733 cnclsi 23247 txss12 23580 txbasval 23581 kqsat 23706 kqcldsat 23708 fmss 23921 cfilucfil 24534 tngtopn 24625 dvaddf 25919 dvmulf 25920 dvcof 25925 dvmptres3 25933 dvmptres2 25939 dvmptcmul 25941 dvmptcj 25945 dvcnvlem 25953 dvcnv 25954 dvcnvrelem1 25994 dvcnvrelem2 25995 plyrem 26282 ulmss 26375 ulmdvlem1 26378 ulmdvlem3 26380 ulmdv 26381 isppw 27091 dchrelbas2 27214 chsupsn 31499 pjss1coi 32249 off2 32729 padct 32806 elrgspnsubrunlem2 33324 elrspunidl 33503 evl1deg2 33652 submatres 33966 madjusmdetlem2 33988 madjusmdetlem3 33989 omsmon 34458 signstfvn 34729 elmsta 35746 mthmpps 35780 dissneqlem 37670 exrecfnlem 37709 prjcrv0 43080 hbtlem6 43575 ofoaf 43801 dvmulcncf 46371 dvdivcncf 46373 itgsubsticclem 46421 |
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