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Mirrors > Home > MPE Home > Th. List > vtoclg1f | Structured version Visualization version GIF version |
Description: Version of vtoclgf 3513 with one non-freeness hypothesis replaced with a disjoint variable condition, thus avoiding dependency on ax-11 2158 and ax-13 2379. (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 | elisset 3452 | . 2 ⊢ (𝐴 ∈ 𝑉 → ∃𝑥 𝑥 = 𝐴) | |
2 | vtoclg1f.nf | . . 3 ⊢ Ⅎ𝑥𝜓 | |
3 | vtoclg1f.min | . . . 4 ⊢ 𝜑 | |
4 | vtoclg1f.maj | . . . 4 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
5 | 3, 4 | mpbii 236 | . . 3 ⊢ (𝑥 = 𝐴 → 𝜓) |
6 | 2, 5 | exlimi 2215 | . 2 ⊢ (∃𝑥 𝑥 = 𝐴 → 𝜓) |
7 | 1, 6 | syl 17 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝜓) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 = wceq 1538 ∃wex 1781 Ⅎwnf 1785 ∈ wcel 2111 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-12 2175 ax-ext 2770 |
This theorem depends on definitions: df-bi 210 df-an 400 df-ex 1782 df-nf 1786 df-cleq 2791 df-clel 2870 |
This theorem is referenced by: vtoclgOLD 3516 ceqsexg 3594 elabg 3614 mob 3656 opeliunxp2 5673 fvopab5 6777 opeliunxp2f 7859 fprodsplit1f 15336 cnextfvval 22670 dvfsumlem2 24630 dvfsumlem4 24632 bnj981 32332 dmrelrnrel 41856 fmul01 42222 fmuldfeq 42225 fmul01lt1lem1 42226 stoweidlem3 42645 stoweidlem26 42668 stoweidlem31 42673 stoweidlem43 42685 stoweidlem51 42693 fourierdlem86 42834 fourierdlem89 42837 fourierdlem91 42839 salpreimagelt 43343 salpreimalegt 43345 |
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