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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 5533 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} |
| 3 | df-xp 5665 | . 2 ⊢ (𝐴 × 𝐵) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} | |
| 4 | 2, 3 | sseqtrri 3983 | 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 3902 {copab 5171 × cxp 5657 |
| 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 2734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2100 df-clab 2741 df-cleq 2754 df-ss 3919 df-opab 5172 df-xp 5665 |
| This theorem is used by: brab2a 5752 dmoprabss 7521 ecopovsym 8823 ecopovtrn 8824 ecopover 8825 enqex 10935 lterpq 10983 ltrelpr 11011 enrex 11080 ltrelsr 11081 ltrelre 11147 ltrelxr 11298 rlimpm 15591 dvdszrcl 16353 prdsle 17553 prdsless 17554 sectfval 17846 sectss 17847 ltbval 22265 opsrle 22269 lmfval 23463 isphtpc 25228 bcthlem1 25558 bcthlem5 25562 lgsquadlem1 27624 lgsquadlem2 27625 lgsquadlem3 27626 ishlg2 28952 ishlg 28955 perpln1 29072 perpln2 29073 isperp 29074 iscgra 29203 isinag 29244 isleag 29253 inftmrel 33628 isinftm 33629 fldextfld1 34165 fldextfld2 34166 metidval 34408 metidss 34409 faeval 34765 filnetlem2 37006 numiunnum 37097 areacirc 38470 lcvfbr 39901 cmtfvalN 40091 cvrfval 40149 dicssdvh 42067 aks6d1c1p1rcl 42982 pellexlem3 43680 pellexlem4 43681 pellexlem5 43682 pellex 43684 rfovcnvf1od 44852 fsovrfovd 44857 sectfn 49963 |
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