| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| 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 2767 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) |
| 3 | eqsstrrdi.2 | . 2 ⊢ 𝐵 ⊆ 𝐶 | |
| 4 | 2, 3 | eqsstrdi 3975 | 1 ⊢ (𝜑 → 𝐴 ⊆ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ⊆ wss 3899 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-cleq 2753 df-ss 3916 |
| This theorem is used by: eqimsscd 3988 mptss 6034 ffvresb 7124 tposss 8237 sbthlem5 9103 rankxpl 9885 winafp 10775 wunex2 10816 iooval2 13502 telfsumo 15962 structcnvcnv 17324 ressbasssg 17408 ressbasssOLD 17411 resspos 18596 resstos 18597 tsrdir 18771 idresefmnd 19088 idrespermg 19618 symgsssg 19674 gsumzoppg 20151 submomnd 20339 suborng 21126 lidlssbas 21485 dsmmsubg 22042 cnclsi 23583 txss12 23917 txbasval 23918 kqsat 24043 kqcldsat 24045 fmss 24258 cfilucfil 24871 tngtopn 24962 dvaddf 26255 dvmulf 26256 dvcof 26261 dvmptres3 26269 dvmptres2 26275 dvmptcmul 26277 dvmptcj 26281 dvcnvlem 26289 dvcnv 26290 dvcnvrelem1 26330 dvcnvrelem2 26331 plyrem 26619 ulmss 26717 ulmdvlem1 26720 ulmdvlem3 26722 ulmdv 26723 isppw 27434 dchrelbas2 27557 chsupsn 32008 pjss1coi 32758 off2 33228 padct 33303 elrgspnsubrunlem2 33802 elrspunidl 33971 evl1deg2 34102 submatres 34431 madjusmdetlem2 34453 madjusmdetlem3 34454 omsmon 34923 signstfvn 35191 elmsta 36292 mthmpps 36326 dissneqlem 38243 exrecfnlem 38282 prjcrv0 43649 hbtlem6 44115 ofoaf 44341 dvmulcncf 46904 dvdivcncf 46906 itgsubsticclem 46954 |
| Copyright terms: Public domain | W3C validator |