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| Mirrors > Home > ILE Home > Th. List > opabssxp | GIF version | ||
| Description: An abstraction relation is a subset of a related cross product. (Contributed by NM, 16-Jul-1995.) |
| Ref | Expression |
|---|---|
| opabssxp | ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ (𝐴 × 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simpl 109 | . . 3 ⊢ (((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑) → (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) | |
| 2 | 1 | ssopab2i 4398 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} |
| 3 | df-xp 4757 | . 2 ⊢ (𝐴 × 𝐵) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} | |
| 4 | 2, 3 | sseqtrri 3275 | 1 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ (𝐴 × 𝐵) |
| Colors of variables: wff set class |
| Syntax hints: ∧ wa 104 ∈ wcel 2205 ⊆ wss 3213 {copab 4172 × cxp 4749 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-ext 2216 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-sb 1812 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-in 3219 df-ss 3226 df-opab 4174 df-xp 4757 |
| This theorem is referenced by: brab2ga 4827 dmoprabss 6137 ecopovsym 6867 ecopovtrn 6868 ecopover 6869 ecopovsymg 6870 ecopovtrng 6871 ecopoverg 6872 opabfi 7202 netap 7573 2omotaplemap 7576 2omotaplemst 7577 enqex 7680 ltrelnq 7685 enq0ex 7759 ltrelpr 7825 enrex 8057 ltrelsr 8058 ltrelre 8153 ltrelxr 8339 dvdszrcl 12486 prdsex 13503 prdsval 13507 prdsbaslemss 13508 releqgg 13958 eqgex 13959 aprval 14451 aprap 14458 aprprop 14461 lmfval 15107 pellexlem3 15896 lgsquadlemofi 15998 lgsquadlem1 15999 lgsquadlem2 16000 |
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