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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 5540 | . 2 ⊢ {〈𝑥, 𝑦〉 ∣ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) ∧ 𝜑)} ⊆ {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} |
| 3 | df-xp 5672 | . 2 ⊢ (𝐴 × 𝐵) = {〈𝑥, 𝑦〉 ∣ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)} | |
| 4 | 2, 3 | sseqtrri 3989 | 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 2146 ⊆ wss 3908 {copab 5178 × cxp 5664 |
| 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 2156 ax-ext 2738 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-sb 2100 df-clab 2745 df-cleq 2758 df-ss 3925 df-opab 5179 df-xp 5672 |
| This theorem is used by: brab2a 5759 dmoprabss 7527 ecopovsym 8826 ecopovtrn 8827 ecopover 8828 enqex 10925 lterpq 10973 ltrelpr 11001 enrex 11070 ltrelsr 11071 ltrelre 11137 ltrelxr 11288 rlimpm 15577 dvdszrcl 16340 prdsle 17540 prdsless 17541 sectfval 17833 sectss 17834 ltbval 22231 opsrle 22235 lmfval 23426 isphtpc 25190 bcthlem1 25520 bcthlem5 25524 lgsquadlem1 27581 lgsquadlem2 27582 lgsquadlem3 27583 ishlg2 28908 ishlg 28911 perpln1 29027 perpln2 29028 isperp 29029 iscgra 29157 isinag 29192 isleag 29201 inftmrel 33531 isinftm 33532 fldextfld1 34068 fldextfld2 34069 metidval 34311 metidss 34312 faeval 34668 filnetlem2 36931 numiunnum 37022 areacirc 38405 lcvfbr 39835 cmtfvalN 40025 cvrfval 40083 dicssdvh 42001 aks6d1c1p1rcl 42916 pellexlem3 43599 pellexlem4 43600 pellexlem5 43601 pellex 43603 rfovcnvf1od 44771 fsovrfovd 44776 sectfn 49848 |
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