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Mirrors > Home > MPE Home > Th. List > syl5eqssr | Structured version Visualization version GIF version |
Description: A chained subclass and equality deduction. (Contributed by NM, 25-Apr-2004.) |
Ref | Expression |
---|---|
syl5eqssr.1 | ⊢ 𝐵 = 𝐴 |
syl5eqssr.2 | ⊢ (𝜑 → 𝐵 ⊆ 𝐶) |
Ref | Expression |
---|---|
syl5eqssr | ⊢ (𝜑 → 𝐴 ⊆ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl5eqssr.1 | . . 3 ⊢ 𝐵 = 𝐴 | |
2 | 1 | eqcomi 2631 | . 2 ⊢ 𝐴 = 𝐵 |
3 | syl5eqssr.2 | . 2 ⊢ (𝜑 → 𝐵 ⊆ 𝐶) | |
4 | 2, 3 | syl5eqss 3649 | 1 ⊢ (𝜑 → 𝐴 ⊆ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1483 ⊆ wss 3574 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-9 1999 ax-10 2019 ax-11 2034 ax-12 2047 ax-13 2246 ax-ext 2602 |
This theorem depends on definitions: df-bi 197 df-or 385 df-an 386 df-tru 1486 df-ex 1705 df-nf 1710 df-sb 1881 df-clab 2609 df-cleq 2615 df-clel 2618 df-in 3581 df-ss 3588 |
This theorem is referenced by: relcnvtr 5655 fimacnvdisj 6083 dffv2 6271 fimacnv 6347 f1ompt 6382 abnexg 6964 fnwelem 7292 tfrlem15 7488 omxpenlem 8061 hartogslem1 8447 infxpidm2 8840 alephgeom 8905 infenaleph 8914 cfflb 9081 pwfseqlem5 9485 imasvscafn 16197 mrieqvlemd 16289 cnvps 17212 dirdm 17234 tsrdir 17238 frmdss2 17400 iinopn 20707 neitr 20984 xkococnlem 21462 tgpconncomp 21916 trcfilu 22098 mbfconstlem 23396 itg2seq 23509 limcdif 23640 dvres2lem 23674 c1lip3 23762 lhop 23779 plyeq0 23967 dchrghm 24981 uspgrupgrushgr 26072 upgrreslem 26196 umgrreslem 26197 umgrres1 26206 umgr2v2e 26421 chssoc 28355 hauseqcn 29941 carsgclctunlem3 30382 cvmliftmolem1 31263 cvmlift2lem9a 31285 cvmlift2lem9 31293 cnres2 33562 rngunsnply 37743 proot1hash 37778 clcnvlem 37930 cnvtrcl0 37933 trrelsuperrel2dg 37963 brtrclfv2 38019 fourierdlem92 40415 vsetrec 42446 |
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