| Mathbox for Peter Mazsa |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > opelvvdif | Structured version Visualization version GIF version | ||
| Description: Negated elementhood of ordered pair. (Contributed by Peter Mazsa, 14-Jan-2019.) |
| Ref | Expression |
|---|---|
| opelvvdif | ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (〈𝐴, 𝐵〉 ∈ ((V × V) ∖ 𝑅) ↔ ¬ 〈𝐴, 𝐵〉 ∈ 𝑅)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eldif 3912 | . 2 ⊢ (〈𝐴, 𝐵〉 ∈ ((V × V) ∖ 𝑅) ↔ (〈𝐴, 𝐵〉 ∈ (V × V) ∧ ¬ 〈𝐴, 𝐵〉 ∈ 𝑅)) | |
| 2 | opelvvg 5700 | . . 3 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → 〈𝐴, 𝐵〉 ∈ (V × V)) | |
| 3 | 2 | biantrurd 542 | . 2 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (¬ 〈𝐴, 𝐵〉 ∈ 𝑅 ↔ (〈𝐴, 𝐵〉 ∈ (V × V) ∧ ¬ 〈𝐴, 𝐵〉 ∈ 𝑅))) |
| 4 | 1, 3 | bitr4id 293 | 1 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐵 ∈ 𝑊) → (〈𝐴, 𝐵〉 ∈ ((V × V) ∖ 𝑅) ↔ ¬ 〈𝐴, 𝐵〉 ∈ 𝑅)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 401 ∈ wcel 2145 Vcvv 3453 ∖ cdif 3899 〈cop 4593 × cxp 5657 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2734 ax-sep 5255 ax-pr 5402 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2741 df-cleq 2754 df-clel 2837 df-ral 3079 df-rex 3089 df-rab 3415 df-v 3455 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-sn 4588 df-pr 4590 df-op 4594 df-opab 5172 df-xp 5665 |
| This theorem is used by: vvdifopab 39000 brvvdif 39003 |
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