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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 5524 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} |
| 3 | df-xp 5656 | . 2 ⊢ (𝐴 × 𝐵) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} | |
| 4 | 2, 3 | sseqtrri 3957 | 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 2144 ⊆ wss 3895 {copab 5166 × cxp 5648 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-ss 3896 df-opab 5167 df-xp 5656 |
| This theorem is used by: brab2a 5743 dmoprabss 7525 ecopovsym 8844 ecopovtrn 8845 ecopover 8846 enqex 11011 lterpq 11059 ltrelpr 11087 enrex 11156 ltrelsr 11157 ltrelre 11223 ltrelxr 11374 rlimpm 15673 dvdszrcl 16433 prdsle 17639 prdsless 17640 sectfval 17932 sectss 17933 ltbval 22358 opsrle 22362 lmfval 23556 isphtpc 25321 bcthlem1 25651 bcthlem5 25655 lgsquadlem1 27713 lgsquadlem2 27714 lgsquadlem3 27715 ishlg2 29071 ishlg 29074 perpln1 29191 perpln2 29192 isperp 29193 iscgra 29322 isinag 29363 isleag 29372 inftmrel 33788 isinftm 33789 fldextfld1 34326 fldextfld2 34327 metidval 34569 metidss 34570 faeval 34926 filnetlem2 37260 numiunnum 37351 areacirc 38725 lcvfbr 40171 cmtfvalN 40361 cvrfval 40419 dicssdvh 42337 aks6d1c1p1rcl 43252 pellexlem3 43932 pellexlem4 43933 pellexlem5 43934 pellex 43936 rfovcnvf1od 45098 fsovrfovd 45103 sectfn 50237 |
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