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Mirrors > Home > MPE Home > Th. List > rspcsbela | Structured version Visualization version GIF version |
Description: Special case related to rspsbc 3861. (Contributed by NM, 10-Dec-2005.) (Proof shortened by Eric Schmidt, 17-Jan-2007.) |
Ref | Expression |
---|---|
rspcsbela | ⊢ ((𝐴 ∈ 𝐵 ∧ ∀𝑥 ∈ 𝐵 𝐶 ∈ 𝐷) → ⦋𝐴 / 𝑥⦌𝐶 ∈ 𝐷) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rspsbc 3861 | . . 3 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 𝐶 ∈ 𝐷 → [𝐴 / 𝑥]𝐶 ∈ 𝐷)) | |
2 | sbcel1g 4364 | . . 3 ⊢ (𝐴 ∈ 𝐵 → ([𝐴 / 𝑥]𝐶 ∈ 𝐷 ↔ ⦋𝐴 / 𝑥⦌𝐶 ∈ 𝐷)) | |
3 | 1, 2 | sylibd 241 | . 2 ⊢ (𝐴 ∈ 𝐵 → (∀𝑥 ∈ 𝐵 𝐶 ∈ 𝐷 → ⦋𝐴 / 𝑥⦌𝐶 ∈ 𝐷)) |
4 | 3 | imp 409 | 1 ⊢ ((𝐴 ∈ 𝐵 ∧ ∀𝑥 ∈ 𝐵 𝐶 ∈ 𝐷) → ⦋𝐴 / 𝑥⦌𝐶 ∈ 𝐷) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∈ wcel 2110 ∀wral 3138 [wsbc 3771 ⦋csb 3882 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1536 df-fal 1546 df-ex 1777 df-nf 1781 df-sb 2066 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-v 3496 df-sbc 3772 df-csb 3883 df-dif 3938 df-nul 4291 |
This theorem is referenced by: el2mpocsbcl 7779 mptnn0fsupp 13364 mptnn0fsuppr 13366 fsumzcl2 15094 fsummsnunz 15108 fsumsplitsnun 15109 modfsummodslem1 15146 fprodmodd 15350 sumeven 15737 sumodd 15738 gsummpt1n0 19084 gsummptnn0fz 19105 telgsumfzslem 19107 telgsumfzs 19108 telgsums 19112 mptscmfsupp0 19698 coe1fzgsumdlem 20468 gsummoncoe1 20471 evl1gsumdlem 20518 madugsum 21251 iunmbl2 24157 gsumvsca1 30854 gsumvsca2 30855 rmfsupp2 30866 esum2dlem 31351 esumiun 31353 iblsplitf 42253 fsummsndifre 43531 fsumsplitsndif 43532 fsummmodsndifre 43533 fsummmodsnunz 43534 |
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