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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 2629 | . 2 ⊢ (𝜑 → (𝑥 ∈ 𝐴 → ∀𝑦 ∈ 𝐵 𝜓)) |
| 4 | 3 | ralrimiv 2622 | 1 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 ∈ wcel 2209 ∀wral 2528 |
| 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 1500 ax-gen 1502 ax-4 1563 ax-17 1579 |
| This theorem depends on definitions: df-bi 117 df-nf 1514 df-ral 2533 |
| This theorem is referenced by: ralrimivva 2632 ralrimdvv 2634 reuind 3031 ssrel2 4860 f1o2ndf1 6454 smoiso 6563 nndifsnid 6770 receuap 8989 lbreu 9265 0subm 13768 insubm 13769 iscmnd 14078 quscrng 14842 tgcl 15088 topbas 15091 epttop 15114 restbasg 15192 txbas 15282 txbasval 15291 blfps 15433 blf 15434 blbas 15457 |
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