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Mirrors > Home > ILE Home > Th. List > ralbii | GIF version |
Description: Inference adding restricted universal quantifier to both sides of an equivalence. (Contributed by NM, 23-Nov-1994.) (Revised by Mario Carneiro, 17-Oct-2016.) |
Ref | Expression |
---|---|
ralbii.1 | ⊢ (𝜑 ↔ 𝜓) |
Ref | Expression |
---|---|
ralbii | ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐴 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralbii.1 | . . . 4 ⊢ (𝜑 ↔ 𝜓) | |
2 | 1 | a1i 9 | . . 3 ⊢ (⊤ → (𝜑 ↔ 𝜓)) |
3 | 2 | ralbidv 2437 | . 2 ⊢ (⊤ → (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐴 𝜓)) |
4 | 3 | mptru 1340 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐴 𝜓) |
Colors of variables: wff set class |
Syntax hints: ↔ wb 104 ⊤wtru 1332 ∀wral 2416 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1423 ax-gen 1425 ax-4 1487 ax-17 1506 |
This theorem depends on definitions: df-bi 116 df-tru 1334 df-nf 1437 df-ral 2421 |
This theorem is referenced by: 2ralbii 2443 ralinexa 2462 r3al 2477 r19.26-2 2561 r19.26-3 2562 ralbiim 2566 r19.28av 2568 ralnex2 2571 cbvral2v 2665 cbvral3v 2667 sbralie 2670 ralcom4 2708 reu8 2880 2reuswapdc 2888 r19.12sn 3589 eqsnm 3682 uni0b 3761 uni0c 3762 ssint 3787 iuniin 3823 iuneq2 3829 iunss 3854 ssiinf 3862 iinab 3874 iindif2m 3880 iinin2m 3881 iinuniss 3895 sspwuni 3897 iinpw 3903 dftr3 4030 trint 4041 bnd2 4097 reusv3 4381 reg2exmidlema 4449 setindel 4453 ordsoexmid 4477 zfregfr 4488 tfi 4496 tfis2f 4498 ssrel2 4629 reliun 4660 xpiindim 4676 ralxpf 4685 dfse2 4912 rninxp 4982 dminxp 4983 cnviinm 5080 cnvpom 5081 cnvsom 5082 dffun9 5152 funco 5163 funcnv3 5185 fncnv 5189 funimaexglem 5206 fnres 5239 fnopabg 5246 mptfng 5248 fintm 5308 f1ompt 5571 idref 5658 dff13f 5671 foov 5917 tfr1onlemaccex 6245 tfrcllembxssdm 6253 tfrcllemaccex 6258 oacl 6356 ixpeq2 6606 ixpin 6617 ixpiinm 6618 infmoti 6915 acfun 7063 ccfunen 7079 cauappcvgprlemladdrl 7465 axcaucvglemres 7707 axpre-suploc 7710 dfinfre 8714 suprzclex 9149 supinfneg 9390 infsupneg 9391 cvg1nlemcau 10756 cvg1nlemres 10757 rexfiuz 10761 recvguniq 10767 resqrexlemglsq 10794 resqrexlemsqa 10796 resqrexlemex 10797 clim0 11054 mertenslem2 11305 infssuzex 11642 bezoutlemmain 11686 ennnfoneleminc 11924 ennnfonelemex 11927 ennnfonelemhom 11928 ennnfonelemr 11936 ctinfom 11941 isbasis2g 12212 tgval2 12220 ntreq0 12301 lmres 12417 eltx 12428 suplociccreex 12771 decidi 13002 nninfsellemqall 13211 nninfomni 13215 |
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