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| Mirrors > Home > MPE Home > Th. List > opabssxp | Structured version Visualization version GIF version | ||
| Description: An abstraction relation is a subset of a related Cartesian 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 488 | . . 3 ⊢ (((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑) → (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) | |
| 2 | 1 | ssopab2i 5525 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} |
| 3 | df-xp 5657 | . 2 ⊢ (𝐴 × 𝐵) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} | |
| 4 | 2, 3 | sseqtrri 3980 | 1 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ (𝐴 × 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∧ wa 401 ∈ wcel 2145 ⊆ wss 3899 {copab 5167 × cxp 5649 |
| 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-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-ss 3916 df-opab 5168 df-xp 5657 |
| This theorem is used by: brab2a 5744 dmoprabss 7516 ecopovsym 8824 ecopovtrn 8825 ecopover 8826 enqex 10988 lterpq 11036 ltrelpr 11064 enrex 11133 ltrelsr 11134 ltrelre 11200 ltrelxr 11351 rlimpm 15647 dvdszrcl 16407 prdsle 17613 prdsless 17614 sectfval 17906 sectss 17907 ltbval 22332 opsrle 22336 lmfval 23530 isphtpc 25295 bcthlem1 25625 bcthlem5 25629 lgsquadlem1 27689 lgsquadlem2 27690 lgsquadlem3 27691 ishlg2 29047 ishlg 29050 perpln1 29167 perpln2 29168 isperp 29169 iscgra 29298 isinag 29339 isleag 29348 inftmrel 33723 isinftm 33724 fldextfld1 34261 fldextfld2 34262 metidval 34504 metidss 34505 faeval 34861 filnetlem2 37137 numiunnum 37228 areacirc 38599 lcvfbr 40045 cmtfvalN 40235 cvrfval 40293 dicssdvh 42211 aks6d1c1p1rcl 43126 pellexlem3 43791 pellexlem4 43792 pellexlem5 43793 pellex 43795 rfovcnvf1od 44963 fsovrfovd 44968 sectfn 50081 |
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