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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 2623 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → ∀𝑦 ∈ 𝐵 𝜓)) |
| 4 | 3 | ralrimiv 2616 | 1 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2205 ∀wral 2522 |
| 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 2527 |
| This theorem is referenced by: ralrimivva 2626 ralrimdvv 2628 reuind 3025 ssrel2 4847 f1o2ndf1 6439 smoiso 6548 nndifsnid 6755 receuap 8965 lbreu 9241 0subm 13745 insubm 13746 iscmnd 14057 quscrng 14813 tgcl 15061 topbas 15064 epttop 15087 restbasg 15165 txbas 15255 txbasval 15264 blfps 15406 blf 15407 blbas 15430 |
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