| Mathbox for Peter Mazsa |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > el3v13 | Structured version Visualization version GIF version | ||
| Description: New way (elv 3443, and the theorems beginning with "el2v" or "el3v") to shorten some proofs. (Contributed by Peter Mazsa, 11-Jul-2021.) |
| Ref | Expression |
|---|---|
| el3v13.1 | ⊢ ((𝑥 ∈ V ∧ 𝜓 ∧ 𝑧 ∈ V) → 𝜃) |
| Ref | Expression |
|---|---|
| el3v13 | ⊢ (𝜓 → 𝜃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | el3v13.1 | . . 3 ⊢ ((𝑥 ∈ V ∧ 𝜓 ∧ 𝑧 ∈ V) → 𝜃) | |
| 2 | 1 | el3v3 3447 | . 2 ⊢ ((𝑥 ∈ V ∧ 𝜓) → 𝜃) |
| 3 | 2 | el2v1 38274 | 1 ⊢ (𝜓 → 𝜃) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1086 ∈ wcel 2113 Vcvv 3438 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-ext 2705 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-3an 1088 df-tru 1544 df-ex 1781 df-sb 2068 df-clab 2712 df-cleq 2725 df-clel 2808 df-v 3440 |
| This theorem is referenced by: (None) |
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