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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 8750 | . 2 ⊢ (𝐴 = 𝐵 → [𝐴]𝐶 = [𝐵]𝐶) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝜑 → [𝐴]𝐶 = [𝐵]𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 [cec 8708 |
| 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-8 2147 ax-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3453 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-sn 4585 df-pr 4587 df-op 4591 df-br 5104 df-opab 5168 df-xp 5657 df-cnv 5659 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-ec 8712 |
| This theorem is used by: brecop 8824 eroveu 8826 erov 8828 ecovcom 8837 ecovass 8838 ecovdi 8839 addsrmo 11151 mulsrmo 11152 addsrpr 11153 mulsrpr 11154 supsrlem 11189 supsr 11190 qus0 19397 qusinv 19398 qussub 19399 sylow2blem2 19828 frgpadd 19970 vrgpval 19974 vrgpinv 19976 frgpup3lem 19984 qusabl 20072 quscrng 21572 pzriprnglem11 21790 pzriprnglem12 21791 qustgplem 24433 pi1addval 25362 pi1xfrf 25367 pi1xfrval 25368 pi1xfrcnvlem 25370 pi1xfrcnv 25371 pi1cof 25373 pi1coval 25374 pi1coghm 25375 vitalilem3 25924 elrlocbasi 33821 rlocaddval 33823 rlocmulval 33824 rloccring 33825 rloc0g 33826 rloc1r 33827 rlocf1 33828 rlocisunit 33830 idomsubr 33864 opprqusmulr 34008 zringfrac 34079 ismntoplly 34650 linedegen 36888 fvline 36889 aks5lem3a 43219 aks5lem5a 43221 aks5lem6 43222 |
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