| Mathbox for Peter Mazsa |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > el3v2 | Structured version Visualization version GIF version | ||
| Description: New way (elv 3459, and the theorems beginning with "el2v" or "el3v") to shorten some proofs. (Contributed by Peter Mazsa, 16-Oct-2020.) |
| Ref | Expression |
|---|---|
| el3v2.1 | ⊢ ((𝜑 ∧ 𝑦 ∈ V ∧ 𝜒) → 𝜃) |
| Ref | Expression |
|---|---|
| el3v2 | ⊢ ((𝜑 ∧ 𝜒) → 𝜃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 3458 | . 2 ⊢ 𝑦 ∈ V | |
| 2 | el3v2.1 | . 2 ⊢ ((𝜑 ∧ 𝑦 ∈ V ∧ 𝜒) → 𝜃) | |
| 3 | 1, 2 | mp3an2 1479 | 1 ⊢ ((𝜑 ∧ 𝜒) → 𝜃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 ∈ wcel 2147 Vcvv 3454 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-3an 1105 df-tru 1573 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-clel 2839 df-v 3456 |
| This theorem is used by: (None) |
| Copyright terms: Public domain | W3C validator |