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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 256 | . . 3 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → (𝑦 ∈ 𝐵 → 𝜓))) |
3 | 2 | ralrimdv 2488 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → ∀𝑦 ∈ 𝐵 𝜓)) |
4 | 3 | ralrimiv 2481 | 1 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ∈ wcel 1465 ∀wral 2393 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1408 ax-gen 1410 ax-4 1472 ax-17 1491 |
This theorem depends on definitions: df-bi 116 df-nf 1422 df-ral 2398 |
This theorem is referenced by: ralrimivva 2491 ralrimdvv 2493 reuind 2862 ssrel2 4599 f1o2ndf1 6093 smoiso 6167 nndifsnid 6371 receuap 8398 lbreu 8671 tgcl 12160 topbas 12163 epttop 12186 restbasg 12264 txbas 12354 txbasval 12363 blfps 12505 blf 12506 blbas 12529 |
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