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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 2435 | . 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 2414 |
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 2419 |
This theorem is referenced by: 2ralbii 2441 ralinexa 2460 r3al 2475 r19.26-2 2559 r19.26-3 2560 ralbiim 2564 r19.28av 2566 ralnex2 2569 cbvral2v 2660 cbvral3v 2662 sbralie 2665 ralcom4 2703 reu8 2875 2reuswapdc 2883 r19.12sn 3584 eqsnm 3677 uni0b 3756 uni0c 3757 ssint 3782 iuniin 3818 iuneq2 3824 iunss 3849 ssiinf 3857 iinab 3869 iindif2m 3875 iinin2m 3876 iinuniss 3890 sspwuni 3892 iinpw 3898 dftr3 4025 trint 4036 bnd2 4092 reusv3 4376 reg2exmidlema 4444 setindel 4448 ordsoexmid 4472 zfregfr 4483 tfi 4491 tfis2f 4493 ssrel2 4624 reliun 4655 xpiindim 4671 ralxpf 4680 dfse2 4907 rninxp 4977 dminxp 4978 cnviinm 5075 cnvpom 5076 cnvsom 5077 dffun9 5147 funco 5158 funcnv3 5180 fncnv 5184 funimaexglem 5201 fnres 5234 fnopabg 5241 mptfng 5243 fintm 5303 f1ompt 5564 idref 5651 dff13f 5664 foov 5910 tfr1onlemaccex 6238 tfrcllembxssdm 6246 tfrcllemaccex 6251 oacl 6349 ixpeq2 6599 ixpin 6610 ixpiinm 6611 infmoti 6908 acfun 7056 ccfunen 7072 cauappcvgprlemladdrl 7458 axcaucvglemres 7700 axpre-suploc 7703 dfinfre 8707 suprzclex 9142 supinfneg 9383 infsupneg 9384 cvg1nlemcau 10749 cvg1nlemres 10750 rexfiuz 10754 recvguniq 10760 resqrexlemglsq 10787 resqrexlemsqa 10789 resqrexlemex 10790 clim0 11047 mertenslem2 11298 infssuzex 11631 bezoutlemmain 11675 ennnfoneleminc 11913 ennnfonelemex 11916 ennnfonelemhom 11917 ennnfonelemr 11925 ctinfom 11930 isbasis2g 12201 tgval2 12209 ntreq0 12290 lmres 12406 eltx 12417 suplociccreex 12760 decidi 12991 nninfsellemqall 13200 nninfomni 13204 |
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