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Mirrors > Home > MPE Home > Th. List > Mathboxes > funcringcsetclem1ALTV | Structured version Visualization version GIF version |
Description: Lemma 1 for funcringcsetcALTV 47185. (Contributed by AV, 15-Feb-2020.) (New usage is discouraged.) |
Ref | Expression |
---|---|
funcringcsetcALTV.r | ⊢ 𝑅 = (RingCatALTV‘𝑈) |
funcringcsetcALTV.s | ⊢ 𝑆 = (SetCat‘𝑈) |
funcringcsetcALTV.b | ⊢ 𝐵 = (Base‘𝑅) |
funcringcsetcALTV.c | ⊢ 𝐶 = (Base‘𝑆) |
funcringcsetcALTV.u | ⊢ (𝜑 → 𝑈 ∈ WUni) |
funcringcsetcALTV.f | ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐵 ↦ (Base‘𝑥))) |
Ref | Expression |
---|---|
funcringcsetclem1ALTV | ⊢ ((𝜑 ∧ 𝑋 ∈ 𝐵) → (𝐹‘𝑋) = (Base‘𝑋)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | funcringcsetcALTV.f | . . 3 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐵 ↦ (Base‘𝑥))) | |
2 | 1 | adantr 480 | . 2 ⊢ ((𝜑 ∧ 𝑋 ∈ 𝐵) → 𝐹 = (𝑥 ∈ 𝐵 ↦ (Base‘𝑥))) |
3 | fveq2 6881 | . . 3 ⊢ (𝑥 = 𝑋 → (Base‘𝑥) = (Base‘𝑋)) | |
4 | 3 | adantl 481 | . 2 ⊢ (((𝜑 ∧ 𝑋 ∈ 𝐵) ∧ 𝑥 = 𝑋) → (Base‘𝑥) = (Base‘𝑋)) |
5 | simpr 484 | . 2 ⊢ ((𝜑 ∧ 𝑋 ∈ 𝐵) → 𝑋 ∈ 𝐵) | |
6 | fvexd 6896 | . 2 ⊢ ((𝜑 ∧ 𝑋 ∈ 𝐵) → (Base‘𝑋) ∈ V) | |
7 | 2, 4, 5, 6 | fvmptd 6995 | 1 ⊢ ((𝜑 ∧ 𝑋 ∈ 𝐵) → (𝐹‘𝑋) = (Base‘𝑋)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1533 ∈ wcel 2098 Vcvv 3466 ↦ cmpt 5221 ‘cfv 6533 WUnicwun 10691 Basecbs 17143 SetCatcsetc 18027 RingCatALTVcringcALTV 47150 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2695 ax-sep 5289 ax-nul 5296 ax-pr 5417 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2526 df-eu 2555 df-clab 2702 df-cleq 2716 df-clel 2802 df-nfc 2877 df-ne 2933 df-ral 3054 df-rex 3063 df-rab 3425 df-v 3468 df-sbc 3770 df-csb 3886 df-dif 3943 df-un 3945 df-in 3947 df-ss 3957 df-nul 4315 df-if 4521 df-sn 4621 df-pr 4623 df-op 4627 df-uni 4900 df-br 5139 df-opab 5201 df-mpt 5222 df-id 5564 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-iota 6485 df-fun 6535 df-fv 6541 |
This theorem is referenced by: funcringcsetclem2ALTV 47177 funcringcsetclem7ALTV 47182 funcringcsetclem8ALTV 47183 funcringcsetclem9ALTV 47184 |
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