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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 3189 | . 2 ⊢ (𝜑 → (∀𝑦 ∈ 𝐵 𝜓 ↔ ∀𝑦 ∈ 𝐵 𝜒)) |
| 3 | 2 | rexbidv 3190 | 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 3080 ∃wrex 3090 |
| 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 1945 |
| This proof depends on definitions: df-bi 210 df-an 402 df-ex 1813 df-ral 3081 df-rex 3091 |
| This theorem is used by: freq1 5625 rexfiuz 15559 cau3lem 15566 caubnd2 15569 climi 15721 rlimi 15724 o1lo1 15748 2clim 15783 lo1le 15863 caucvgrlem 15884 caurcvgr 15885 caucvgb 15891 vdwlem10 17212 vdwlem13 17215 pmatcollpw2lem 23150 neiptopnei 23505 lmcvg 23635 lmss 23671 elpt 23946 elptr 23947 txlm 24022 tsmsi 24508 ustuqtop4 24618 isucn 24651 isucn2 24652 ucnima 24654 metcnpi 24918 metcnpi2 24919 metucn 24945 xrge0tsms 25209 elcncf 25265 cncfi 25270 lmmcvg 25637 lhop1 26389 ulmval 26764 ulmi 26770 ulmcaulem 26778 ulmdvlem3 26786 pntibnd 27977 pntlem3 27993 pntleml 27995 axtgcont1 28987 perpln1 29242 perpln2 29243 isperp 29244 brbtwn 29534 uvtx01vtx 30035 isgrpo 31156 ubthlem3 31531 ubth 31532 hcau 31843 hcaucvg 31845 hlimi 31847 hlimconvi 31850 hlim2 31851 elcnop 32516 elcnfn 32541 cnopc 32572 cnfnc 32589 lnopcon 32694 lnfncon 32715 riesz1 32724 xrge0tsmsd 33733 signsply0 35291 srepdf 36128 unblimceq0 37588 cvgcau 46773 limcleqr 46927 addlimc 46931 0ellimcdiv 46932 climd 46955 climisp 47029 lmbr3 47030 climrescn 47031 climxrrelem 47032 climxrre 47033 xlimpnfxnegmnf 47097 xlimxrre 47114 xlimmnf 47124 xlimpnf 47125 xlimmnfmpt 47126 xlimpnfmpt 47127 dfxlim2 47131 cncfshift 47157 cncfperiod 47162 ioodvbdlimc1lem1 47214 ioodvbdlimc1lem2 47215 ioodvbdlimc2lem 47217 fourierdlem68 47457 fourierdlem87 47476 fourierdlem103 47492 fourierdlem104 47493 etransclem48 47565 |
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