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| Mirrors > Home > MPE Home > Th. List > Mathboxes > bj-opabssvv | Structured version Visualization version GIF version | ||
| Description: A variant of relopabiv 5809 (which could be proved from it, similarly to relxp 5681 from xpss 5679). (Contributed by BJ, 28-Dec-2023.) |
| Ref | Expression |
|---|---|
| bj-opabssvv | ⊢ {〈𝑥, 𝑦〉 ∣ 𝜑} ⊆ (V × V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | vex 3461 | . . . . 5 ⊢ 𝑥 ∈ V | |
| 2 | vex 3461 | . . . . 5 ⊢ 𝑦 ∈ V | |
| 3 | 1, 2 | pm3.2i 476 | . . . 4 ⊢ (𝑥 ∈ V ∧ 𝑦 ∈ V) |
| 4 | 3 | a1i 11 | . . 3 ⊢ (𝜑 → (𝑥 ∈ V ∧ 𝑦 ∈ V)) |
| 5 | 4 | ssopab2i 5537 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ 𝜑} ⊆ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ V ∧ 𝑦 ∈ V)} |
| 6 | df-xp 5669 | . 2 ⊢ (V × V) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ V ∧ 𝑦 ∈ V)} | |
| 7 | 5, 6 | sseqtrri 3987 | 1 ⊢ {〈𝑥, 𝑦〉 ∣ 𝜑} ⊆ (V × V) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 ∈ wcel 2146 Vcvv 3457 ⊆ wss 3906 {copab 5175 × cxp 5661 |
| 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 2148 ax-9 2156 ax-ext 2737 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2744 df-cleq 2757 df-clel 2840 df-v 3459 df-ss 3923 df-opab 5176 df-xp 5669 |
| This theorem is used by: (None) |
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