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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 2966 | . 2 ⊢ (𝑥 ∈ 𝐴 → ∀𝑦 ∈ 𝐵 𝜑) |
3 | 2 | rgen 2922 | 1 ⊢ ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜑 |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 384 ∈ wcel 1990 ∀wral 2912 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 |
This theorem depends on definitions: df-bi 197 df-an 386 df-ral 2917 |
This theorem is referenced by: rgen3 2976 invdisjrab 4639 f1stres 7190 f2ndres 7191 smobeth 9408 wrd2ind 13477 smupf 15200 xpsff1o 16228 efgmf 18126 efglem 18129 txuni2 21368 divcn 22671 abscncf 22704 recncf 22705 imcncf 22706 cjcncf 22707 cnllycmp 22755 bndth 22757 dyadf 23359 cxpcn3 24489 sgmf 24871 2lgslem1b 25117 smcnlem 27552 helch 28100 hsn0elch 28105 hhshsslem2 28125 shscli 28176 shintcli 28188 0cnop 28838 0cnfn 28839 idcnop 28840 lnophsi 28860 nlelshi 28919 cnlnadjlem6 28931 cnzh 30014 rezh 30015 cnllysconn 31227 rellysconn 31233 fneref 32345 dnicn 32482 mblfinlem1 33446 mblfinlem2 33447 frmx 37478 frmy 37479 fmtnof1 41447 2zrngnmrid 41950 ldepslinc 42298 |
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