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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 2612 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → ∀𝑦 ∈ 𝐵 𝜓)) |
| 4 | 3 | ralrimiv 2605 | 1 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2202 ∀wral 2511 |
| 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 1496 ax-gen 1498 ax-4 1559 ax-17 1575 |
| This theorem depends on definitions: df-bi 117 df-nf 1510 df-ral 2516 |
| This theorem is referenced by: ralrimivva 2615 ralrimdvv 2617 reuind 3012 ssrel2 4822 f1o2ndf1 6402 smoiso 6511 nndifsnid 6718 receuap 8908 lbreu 9184 0subm 13647 insubm 13648 iscmnd 13965 quscrng 14629 tgcl 14875 topbas 14878 epttop 14901 restbasg 14979 txbas 15069 txbasval 15078 blfps 15220 blf 15221 blbas 15244 |
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