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Mirrors > Home > MPE Home > Th. List > rgen2 | Structured version Visualization version GIF version |
Description: Generalization rule for restricted quantification, with two quantifiers. (Contributed by NM, 30-May-1999.) |
Ref | Expression |
---|---|
rgen2.1 | ⊢ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → 𝜑) |
Ref | Expression |
---|---|
rgen2 | ⊢ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜑 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rgen2.1 | . . 3 ⊢ ((𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵) → 𝜑) | |
2 | 1 | ralrimiva 2949 | . 2 ⊢ (𝑥 ∈ 𝐴 → ∀𝑦 ∈ 𝐵 𝜑) |
3 | 2 | rgen 2906 | 1 ⊢ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜑 |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 ∈ wcel 1977 ∀wral 2896 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 |
This theorem depends on definitions: df-bi 196 df-an 385 df-ral 2901 |
This theorem is referenced by: rgen3 2959 invdisjrab 4572 f1stres 7081 f2ndres 7082 smobeth 9287 wrd2ind 13329 smupf 15038 xpsff1o 16051 efgmf 17949 efglem 17952 txuni2 21178 divcn 22479 abscncf 22512 recncf 22513 imcncf 22514 cjcncf 22515 cnllycmp 22563 bndth 22565 dyadf 23165 cxpcn3 24289 sgmf 24671 2lgslem1b 24917 smcnlem 26936 helch 27484 hsn0elch 27489 hhshsslem2 27509 shscli 27560 shintcli 27572 0cnop 28222 0cnfn 28223 idcnop 28224 lnophsi 28244 nlelshi 28303 cnlnadjlem6 28315 cnzh 29342 rezh 29343 cnllyscon 30481 rellyscon 30487 fneref 31515 dnicn 31652 mblfinlem1 32616 mblfinlem2 32617 frmx 36496 frmy 36497 fmtnof1 39985 2wspiundisj 41166 2wspmdisj 41501 2zrngnmrid 41740 ldepslinc 42092 |
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