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| Mirrors > Home > MPE Home > Th. List > rexralbidv | Structured version Visualization version GIF version | ||
| Description: Formula-building rule for restricted quantifiers (deduction form). (Contributed by NM, 28-Jan-2006.) |
| Ref | Expression |
|---|---|
| 2ralbidv.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
| Ref | Expression |
|---|---|
| rexralbidv | ⊢ (𝜑 → (∃𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓 ↔ ∃𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜒)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 2ralbidv.1 | . . 3 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
| 2 | 1 | ralbidv 3185 | . 2 ⊢ (𝜑 → (∀𝑦 ∈ 𝐵 𝜓 ↔ ∀𝑦 ∈ 𝐵 𝜒)) |
| 3 | 2 | rexbidv 3186 | 1 ⊢ (𝜑 → (∃𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓 ↔ ∃𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜒)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ↔ wb 209 ∀wral 3076 ∃wrex 3086 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-ral 3077 df-rex 3087 |
| This theorem is used by: freq1 5622 rexfiuz 15436 cau3lem 15443 caubnd2 15446 climi 15598 rlimi 15601 o1lo1 15625 2clim 15660 lo1le 15740 caucvgrlem 15761 caurcvgr 15762 caucvgb 15768 vdwlem10 17083 vdwlem13 17086 pmatcollpw2lem 23003 neiptopnei 23358 lmcvg 23488 lmss 23524 elpt 23799 elptr 23800 txlm 23875 tsmsi 24361 ustuqtop4 24471 isucn 24504 isucn2 24505 ucnima 24507 metcnpi 24771 metcnpi2 24772 metucn 24798 xrge0tsms 25062 elcncf 25118 cncfi 25123 lmmcvg 25490 lhop1 26242 ulmval 26617 ulmi 26623 ulmcaulem 26631 ulmdvlem3 26639 pntibnd 27830 pntlem3 27846 pntleml 27848 axtgcont1 28810 perpln1 29065 perpln2 29066 isperp 29067 brbtwn 29357 uvtx01vtx 29858 isgrpo 30979 ubthlem3 31354 ubth 31355 hcau 31666 hcaucvg 31668 hlimi 31670 hlimconvi 31673 hlim2 31674 elcnop 32339 elcnfn 32364 cnopc 32395 cnfnc 32412 lnopcon 32517 lnfncon 32538 riesz1 32547 xrge0tsmsd 33514 signsply0 35060 unblimceq0 37205 cvgcau 46319 limcleqr 46473 addlimc 46477 0ellimcdiv 46478 climd 46501 climisp 46575 lmbr3 46576 climrescn 46577 climxrrelem 46578 climxrre 46579 xlimpnfxnegmnf 46643 xlimxrre 46660 xlimmnf 46670 xlimpnf 46671 xlimmnfmpt 46672 xlimpnfmpt 46673 dfxlim2 46677 cncfshift 46703 cncfperiod 46708 ioodvbdlimc1lem1 46760 ioodvbdlimc1lem2 46761 ioodvbdlimc2lem 46763 fourierdlem68 47003 fourierdlem87 47022 fourierdlem103 47038 fourierdlem104 47039 etransclem48 47111 |
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