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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 3190 | . 2 ⊢ (𝜑 → (∀𝑦 ∈ 𝐵 𝜓 ↔ ∀𝑦 ∈ 𝐵 𝜒)) |
| 3 | 2 | rexbidv 3191 | 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 3081 ∃wrex 3091 |
| 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 3082 df-rex 3092 |
| This theorem is used by: freq1 5630 rexfiuz 15425 cau3lem 15432 caubnd2 15435 climi 15587 rlimi 15590 o1lo1 15614 2clim 15649 lo1le 15729 caucvgrlem 15750 caurcvgr 15751 caucvgb 15757 vdwlem10 17074 vdwlem13 17077 pmatcollpw2lem 22986 neiptopnei 23341 lmcvg 23471 lmss 23507 elpt 23782 elptr 23783 txlm 23858 tsmsi 24344 ustuqtop4 24454 isucn 24487 isucn2 24488 ucnima 24490 metcnpi 24754 metcnpi2 24755 metucn 24781 xrge0tsms 25045 elcncf 25101 cncfi 25106 lmmcvg 25473 lhop1 26226 ulmval 26596 ulmi 26602 ulmcaulem 26610 ulmdvlem3 26618 pntibnd 27810 pntlem3 27826 pntleml 27828 axtgcont1 28790 perpln1 29043 perpln2 29044 isperp 29045 brbtwn 29306 uvtx01vtx 29807 isgrpo 30922 ubthlem3 31297 ubth 31298 hcau 31609 hcaucvg 31611 hlimi 31613 hlimconvi 31616 hlim2 31617 elcnop 32282 elcnfn 32307 cnopc 32338 cnfnc 32355 lnopcon 32460 lnfncon 32481 riesz1 32490 xrge0tsmsd 33459 signsply0 35005 unblimceq0 37155 cvgcau 46264 limcleqr 46418 addlimc 46422 0ellimcdiv 46423 climd 46446 climisp 46520 lmbr3 46521 climrescn 46522 climxrrelem 46523 climxrre 46524 xlimpnfxnegmnf 46588 xlimxrre 46605 xlimmnf 46615 xlimpnf 46616 xlimmnfmpt 46617 xlimpnfmpt 46618 dfxlim2 46622 cncfshift 46648 cncfperiod 46653 ioodvbdlimc1lem1 46705 ioodvbdlimc1lem2 46706 ioodvbdlimc2lem 46708 fourierdlem68 46948 fourierdlem87 46967 fourierdlem103 46983 fourierdlem104 46984 etransclem48 47056 |
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