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Mirrors > Home > ILE Home > Th. List > rexlimdvva | GIF version |
Description: Inference from Theorem 19.23 of [Margaris] p. 90. (Restricted quantifier version.) (Contributed by NM, 18-Jun-2014.) |
Ref | Expression |
---|---|
rexlimdvva.1 | ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) → (𝜓 → 𝜒)) |
Ref | Expression |
---|---|
rexlimdvva | ⊢ (𝜑 → (∃𝑥 ∈ 𝐴 ∃𝑦 ∈ 𝐵 𝜓 → 𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rexlimdvva.1 | . . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) → (𝜓 → 𝜒)) | |
2 | 1 | ex 113 | . 2 ⊢ (𝜑 → ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → (𝜓 → 𝜒))) |
3 | 2 | rexlimdvv 2483 | 1 ⊢ (𝜑 → (∃𝑥 ∈ 𝐴 ∃𝑦 ∈ 𝐵 𝜓 → 𝜒)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 102 ∈ wcel 1433 ∃wrex 2349 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-4 1440 ax-17 1459 ax-ial 1467 ax-i5r 1468 |
This theorem depends on definitions: df-bi 115 df-nf 1390 df-ral 2353 df-rex 2354 |
This theorem is referenced by: ovelrn 5669 f1o2ndf1 5869 eroveu 6220 eroprf 6222 genipv 6699 genpelvl 6702 genpelvu 6703 genprndl 6711 genprndu 6712 addlocpr 6726 addnqprlemrl 6747 addnqprlemru 6748 mulnqprlemrl 6763 mulnqprlemru 6764 ltsopr 6786 ltaddpr 6787 ltexprlemfl 6799 ltexprlemrl 6800 ltexprlemfu 6801 ltexprlemru 6802 cauappcvgprlemladdfu 6844 cauappcvgprlemladdfl 6845 caucvgprlemdisj 6864 caucvgprlemladdfu 6867 caucvgprprlemdisj 6892 apreap 7687 apreim 7703 apirr 7705 apsym 7706 apcotr 7707 apadd1 7708 apneg 7711 mulext1 7712 apti 7722 qapne 8724 qtri3or 9252 qbtwnzlemex 9259 rebtwn2z 9263 cjap 9793 rexanre 10106 climcn2 10148 dvds2lem 10207 bezoutlemnewy 10385 bezoutlembi 10394 dvdsmulgcd 10414 divgcdcoprm0 10483 cncongr1 10485 sqrt2irrap 10558 |
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