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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 5530 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} |
| 3 | df-xp 5662 | . 2 ⊢ (𝐴 × 𝐵) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} | |
| 4 | 2, 3 | sseqtrri 3962 | 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 2147 ⊆ wss 3900 {copab 5171 × cxp 5654 |
| 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 1945 ax-6 2002 ax-7 2043 ax-9 2157 ax-ext 2735 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2102 df-clab 2742 df-cleq 2755 df-ss 3901 df-opab 5172 df-xp 5662 |
| This theorem is used by: brab2a 5750 dmoprabss 7550 ecopovsym 8871 ecopovtrn 8872 ecopover 8873 enqex 11037 lterpq 11085 ltrelpr 11113 enrex 11182 ltrelsr 11183 ltrelre 11249 ltrelxr 11400 rlimpm 15699 dvdszrcl 16459 prdsle 17665 prdsless 17666 sectfval 17958 sectss 17959 ltbval 22385 opsrle 22389 lmfval 23583 isphtpc 25348 bcthlem1 25678 bcthlem5 25682 lgsquadlem1 27740 lgsquadlem2 27741 lgsquadlem3 27742 ishlg2 29098 ishlg 29101 perpln1 29218 perpln2 29219 isperp 29220 iscgra 29349 isinag 29390 isleag 29399 inftmrel 33817 isinftm 33818 fldextfld1 34362 fldextfld2 34363 metidval 34605 metidss 34606 faeval 34962 filnetlem2 37358 numiunnum 37449 areacirc 38836 lcvfbr 40280 cmtfvalN 40470 cvrfval 40528 dicssdvh 42446 aks6d1c1p1rcl 43361 pellexlem3 44042 pellexlem4 44043 pellexlem5 44044 pellex 44046 rfovcnvf1od 45207 fsovrfovd 45212 sectfn 50358 |
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