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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 2438 | . 2 ⊢ (⊤ → (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐴 𝜓)) |
4 | 3 | mptru 1341 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐴 𝜓) |
Colors of variables: wff set class |
Syntax hints: ↔ wb 104 ⊤wtru 1333 ∀wral 2417 |
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 1424 ax-gen 1426 ax-4 1488 ax-17 1507 |
This theorem depends on definitions: df-bi 116 df-tru 1335 df-nf 1438 df-ral 2422 |
This theorem is referenced by: 2ralbii 2446 ralinexa 2465 r3al 2480 r19.26-2 2564 r19.26-3 2565 ralbiim 2569 r19.28av 2571 ralnex2 2574 cbvral2v 2668 cbvral3v 2670 sbralie 2673 ralcom4 2711 reu8 2884 2reuswapdc 2892 r19.12sn 3597 eqsnm 3690 uni0b 3769 uni0c 3770 ssint 3795 iuniin 3831 iuneq2 3837 iunss 3862 ssiinf 3870 iinab 3882 iindif2m 3888 iinin2m 3889 iinuniss 3903 sspwuni 3905 iinpw 3911 dftr3 4038 trint 4049 bnd2 4105 reusv3 4389 reg2exmidlema 4457 setindel 4461 ordsoexmid 4485 zfregfr 4496 tfi 4504 tfis2f 4506 ssrel2 4637 reliun 4668 xpiindim 4684 ralxpf 4693 dfse2 4920 rninxp 4990 dminxp 4991 cnviinm 5088 cnvpom 5089 cnvsom 5090 dffun9 5160 funco 5171 funcnv3 5193 fncnv 5197 funimaexglem 5214 fnres 5247 fnopabg 5254 mptfng 5256 fintm 5316 f1ompt 5579 idref 5666 dff13f 5679 foov 5925 tfr1onlemaccex 6253 tfrcllembxssdm 6261 tfrcllemaccex 6266 oacl 6364 ixpeq2 6614 ixpin 6625 ixpiinm 6626 infmoti 6923 acfun 7080 ccfunen 7096 cc2 7099 cc4f 7101 cc4n 7103 cauappcvgprlemladdrl 7489 axcaucvglemres 7731 axpre-suploc 7734 dfinfre 8738 suprzclex 9173 supinfneg 9417 infsupneg 9418 cvg1nlemcau 10788 cvg1nlemres 10789 rexfiuz 10793 recvguniq 10799 resqrexlemglsq 10826 resqrexlemsqa 10828 resqrexlemex 10829 clim0 11086 mertenslem2 11337 infssuzex 11678 bezoutlemmain 11722 ennnfoneleminc 11960 ennnfonelemex 11963 ennnfonelemhom 11964 ennnfonelemr 11972 ctinfom 11977 isbasis2g 12251 tgval2 12259 ntreq0 12340 lmres 12456 eltx 12467 suplociccreex 12810 decidi 13173 nninfsellemqall 13386 nninfomni 13390 trirec0xor 13413 |
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