| Mathbox for Peter Mazsa |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > el3v1 | Structured version Visualization version GIF version | ||
| Description: New way (elv 3462, and the theorems beginning with "el2v" or "el3v") to shorten some proofs. (Contributed by Peter Mazsa, 16-Oct-2020.) |
| Ref | Expression |
|---|---|
| el3v1.1 | ⊢ ((𝑥 ∈ V ∧ 𝜓 ∧ 𝜒) → 𝜃) |
| Ref | Expression |
|---|---|
| el3v1 | ⊢ ((𝜓 ∧ 𝜒) → 𝜃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 3461 | . 2 ⊢ 𝑥 ∈ V | |
| 2 | el3v1.1 | . 2 ⊢ ((𝑥 ∈ V ∧ 𝜓 ∧ 𝜒) → 𝜃) | |
| 3 | 1, 2 | mp3an1 1472 | 1 ⊢ ((𝜓 ∧ 𝜒) → 𝜃) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∧ w3a 1101 ∈ wcel 2145 Vcvv 3457 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-3an 1103 df-tru 1566 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-v 3459 |
| This theorem is referenced by: el3v12 38738 br1cossxrnres 39044 |
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