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Mirrors > Home > ILE Home > Th. List > ralrimivv | GIF version |
Description: Inference from Theorem 19.21 of [Margaris] p. 90. (Restricted quantifier version with double quantification.) (Contributed by NM, 24-Jul-2004.) |
Ref | Expression |
---|---|
ralrimivv.1 | ⊢ (𝜑 → ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → 𝜓)) |
Ref | Expression |
---|---|
ralrimivv | ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralrimivv.1 | . . . 4 ⊢ (𝜑 → ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → 𝜓)) | |
2 | 1 | expd 258 | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → (𝑦 ∈ 𝐵 → 𝜓))) |
3 | 2 | ralrimdv 2556 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → ∀𝑦 ∈ 𝐵 𝜓)) |
4 | 3 | ralrimiv 2549 | 1 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2148 ∀wral 2455 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-5 1447 ax-gen 1449 ax-4 1510 ax-17 1526 |
This theorem depends on definitions: df-bi 117 df-nf 1461 df-ral 2460 |
This theorem is referenced by: ralrimivva 2559 ralrimdvv 2561 reuind 2943 ssrel2 4717 f1o2ndf1 6229 smoiso 6303 nndifsnid 6508 receuap 8626 lbreu 8902 0subm 12871 insubm 12872 iscmnd 13101 tgcl 13567 topbas 13570 epttop 13593 restbasg 13671 txbas 13761 txbasval 13770 blfps 13912 blf 13913 blbas 13936 |
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