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Mirrors > Home > MPE Home > Th. List > eceq1d | Structured version Visualization version GIF version |
Description: Equality theorem for equivalence class (deduction form). (Contributed by Jim Kingdon, 31-Dec-2019.) |
Ref | Expression |
---|---|
eceq1d.1 | ⊢ (𝜑 → 𝐴 = 𝐵) |
Ref | Expression |
---|---|
eceq1d | ⊢ (𝜑 → [𝐴]𝐶 = [𝐵]𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eceq1d.1 | . 2 ⊢ (𝜑 → 𝐴 = 𝐵) | |
2 | eceq1 8330 | . 2 ⊢ (𝐴 = 𝐵 → [𝐴]𝐶 = [𝐵]𝐶) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝜑 → [𝐴]𝐶 = [𝐵]𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1536 [cec 8290 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-rab 3150 df-v 3499 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-sn 4571 df-pr 4573 df-op 4577 df-br 5070 df-opab 5132 df-xp 5564 df-cnv 5566 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-ec 8294 |
This theorem is referenced by: brecop 8393 eroveu 8395 erov 8397 ecovcom 8406 ecovass 8407 ecovdi 8408 addsrmo 10498 mulsrmo 10499 addsrpr 10500 mulsrpr 10501 supsrlem 10536 supsr 10537 qus0 18341 qusinv 18342 qussub 18343 sylow2blem2 18749 frgpadd 18892 vrgpval 18896 vrgpinv 18898 frgpup3lem 18906 qusabl 18988 quscrng 20016 qustgplem 22732 pi1addval 23655 pi1xfrf 23660 pi1xfrval 23661 pi1xfrcnvlem 23663 pi1xfrcnv 23664 pi1cof 23666 pi1coval 23667 pi1coghm 23668 vitalilem3 24214 ismntoplly 31270 linedegen 33608 fvline 33609 |
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