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Mirrors > Home > MPE Home > Th. List > vtoclg1f | Structured version Visualization version GIF version |
Description: Version of vtoclgf 3237 with one non-freeness hypothesis replaced with a dv condition, thus avoiding dependency on ax-11 2021 and ax-13 2234. (Contributed by BJ, 1-May-2019.) |
Ref | Expression |
---|---|
vtoclg1f.nf | ⊢ Ⅎ𝑥𝜓 |
vtoclg1f.maj | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
vtoclg1f.min | ⊢ 𝜑 |
Ref | Expression |
---|---|
vtoclg1f | ⊢ (𝐴 ∈ 𝑉 → 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elex 3185 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
2 | isset 3180 | . . 3 ⊢ (𝐴 ∈ V ↔ ∃𝑥 𝑥 = 𝐴) | |
3 | vtoclg1f.nf | . . . 4 ⊢ Ⅎ𝑥𝜓 | |
4 | vtoclg1f.min | . . . . 5 ⊢ 𝜑 | |
5 | vtoclg1f.maj | . . . . 5 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
6 | 4, 5 | mpbii 222 | . . . 4 ⊢ (𝑥 = 𝐴 → 𝜓) |
7 | 3, 6 | exlimi 2073 | . . 3 ⊢ (∃𝑥 𝑥 = 𝐴 → 𝜓) |
8 | 2, 7 | sylbi 206 | . 2 ⊢ (𝐴 ∈ V → 𝜓) |
9 | 1, 8 | syl 17 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝜓) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 = wceq 1475 ∃wex 1695 Ⅎwnf 1699 ∈ wcel 1977 Vcvv 3173 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-12 2034 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-v 3175 |
This theorem is referenced by: vtoclg 3239 ceqsexg 3304 mob 3355 opeliunxp2 5182 fvopab5 6217 opeliunxp2f 7223 cnextfvval 21679 dvfsumlem2 23594 dvfsumlem4 23596 bnj981 30274 fmul01 38647 fmuldfeq 38650 fmul01lt1lem1 38651 cncfiooicclem1 38779 stoweidlem3 38896 stoweidlem26 38919 stoweidlem31 38924 stoweidlem43 38936 stoweidlem51 38944 fourierdlem86 39085 fourierdlem89 39088 fourierdlem91 39090 |
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