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| Mirrors > Home > MPE Home > Th. List > Mathboxes > opabbrfexd | Structured version Visualization version GIF version | ||
| Description: A collection of ordered pairs, the second component being a function, is a set. (Contributed by AV, 15-Jan-2021.) |
| Ref | Expression |
|---|---|
| opabresexd.x | ⊢ ((𝜑 ∧ 𝑥𝑅𝑦) → 𝑥 ∈ 𝐶) |
| opabresexd.y | ⊢ ((𝜑 ∧ 𝑥𝑅𝑦) → 𝑦:𝐴⟶𝐵) |
| opabresexd.a | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → 𝐴 ∈ 𝑈) |
| opabresexd.b | ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → 𝐵 ∈ 𝑉) |
| opabresexd.c | ⊢ (𝜑 → 𝐶 ∈ 𝑊) |
| Ref | Expression |
|---|---|
| opabbrfexd | ⊢ (𝜑 → {〈𝑥, 𝑦〉 ∣ 𝑥𝑅𝑦} ∈ V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pm4.24 573 | . . 3 ⊢ (𝑥𝑅𝑦 ↔ (𝑥𝑅𝑦 ∧ 𝑥𝑅𝑦)) | |
| 2 | 1 | opabbii 5177 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ 𝑥𝑅𝑦} = {〈𝑥, 𝑦〉 ∣ (𝑥𝑅𝑦 ∧ 𝑥𝑅𝑦)} |
| 3 | opabresexd.x | . . 3 ⊢ ((𝜑 ∧ 𝑥𝑅𝑦) → 𝑥 ∈ 𝐶) | |
| 4 | opabresexd.y | . . 3 ⊢ ((𝜑 ∧ 𝑥𝑅𝑦) → 𝑦:𝐴⟶𝐵) | |
| 5 | opabresexd.a | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → 𝐴 ∈ 𝑈) | |
| 6 | opabresexd.b | . . 3 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → 𝐵 ∈ 𝑉) | |
| 7 | opabresexd.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ 𝑊) | |
| 8 | 3, 4, 5, 6, 7 | opabresexd 48052 | . 2 ⊢ (𝜑 → {〈𝑥, 𝑦〉 ∣ (𝑥𝑅𝑦 ∧ 𝑥𝑅𝑦)} ∈ V) |
| 9 | 2, 8 | eqeltrid 2866 | 1 ⊢ (𝜑 → {〈𝑥, 𝑦〉 ∣ 𝑥𝑅𝑦} ∈ V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 400 ∈ wcel 2142 Vcvv 3454 class class class wbr 5108 {copab 5172 ⟶wf 6532 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5237 ax-sep 5256 ax-pow 5335 ax-pr 5403 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-clab 2741 df-cleq 2754 df-clel 2837 df-ral 3079 df-rex 3089 df-rab 3416 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-xp 5666 df-rel 5667 df-cnv 5668 df-dm 5670 df-rn 5671 df-fun 6538 df-fn 6539 df-f 6540 |
| This theorem is used by: (None) |
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