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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 1827 ax-4 1841 ax-5 1942 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1812 df-ral 3077 df-rex 3087 |
| This theorem is used by: freq1 5618 rexfiuz 15524 cau3lem 15531 caubnd2 15534 climi 15686 rlimi 15689 o1lo1 15713 2clim 15748 lo1le 15828 caucvgrlem 15849 caurcvgr 15850 caucvgb 15856 vdwlem10 17177 vdwlem13 17180 pmatcollpw2lem 23104 neiptopnei 23459 lmcvg 23589 lmss 23625 elpt 23900 elptr 23901 txlm 23976 tsmsi 24462 ustuqtop4 24572 isucn 24605 isucn2 24606 ucnima 24608 metcnpi 24872 metcnpi2 24873 metucn 24899 xrge0tsms 25163 elcncf 25219 cncfi 25224 lmmcvg 25591 lhop1 26343 ulmval 26716 ulmi 26722 ulmcaulem 26730 ulmdvlem3 26738 pntibnd 27929 pntlem3 27945 pntleml 27947 axtgcont1 28939 perpln1 29194 perpln2 29195 isperp 29196 brbtwn 29486 uvtx01vtx 29987 isgrpo 31108 ubthlem3 31483 ubth 31484 hcau 31795 hcaucvg 31797 hlimi 31799 hlimconvi 31802 hlim2 31803 elcnop 32468 elcnfn 32493 cnopc 32524 cnfnc 32541 lnopcon 32646 lnfncon 32667 riesz1 32676 xrge0tsmsd 33684 signsply0 35230 srepdf 36038 unblimceq0 37497 cvgcau 46636 limcleqr 46790 addlimc 46794 0ellimcdiv 46795 climd 46818 climisp 46892 lmbr3 46893 climrescn 46894 climxrrelem 46895 climxrre 46896 xlimpnfxnegmnf 46960 xlimxrre 46977 xlimmnf 46987 xlimpnf 46988 xlimmnfmpt 46989 xlimpnfmpt 46990 dfxlim2 46994 cncfshift 47020 cncfperiod 47025 ioodvbdlimc1lem1 47077 ioodvbdlimc1lem2 47078 ioodvbdlimc2lem 47080 fourierdlem68 47320 fourierdlem87 47339 fourierdlem103 47355 fourierdlem104 47356 etransclem48 47428 |
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