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Mirrors > Home > ILE Home > Th. List > albii | GIF version |
Description: Inference adding universal quantifier to both sides of an equivalence. (Contributed by NM, 7-Aug-1994.) |
Ref | Expression |
---|---|
albii.1 | ⊢ (𝜑 ↔ 𝜓) |
Ref | Expression |
---|---|
albii | ⊢ (∀𝑥𝜑 ↔ ∀𝑥𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | albi 1455 | . 2 ⊢ (∀𝑥(𝜑 ↔ 𝜓) → (∀𝑥𝜑 ↔ ∀𝑥𝜓)) | |
2 | albii.1 | . 2 ⊢ (𝜑 ↔ 𝜓) | |
3 | 1, 2 | mpg 1438 | 1 ⊢ (∀𝑥𝜑 ↔ ∀𝑥𝜓) |
Colors of variables: wff set class |
Syntax hints: ↔ wb 104 ∀wal 1340 |
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 1434 ax-gen 1436 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: 2albii 1458 hbxfrbi 1459 nfbii 1460 19.26-2 1469 19.26-3an 1470 alrot3 1472 alrot4 1473 albiim 1474 2albiim 1475 alnex 1486 nfalt 1565 aaanh 1573 aaan 1574 alinexa 1590 exintrbi 1620 19.21-2 1654 19.31r 1668 equsalh 1713 equsal 1714 equsalv 1780 sbcof2 1797 dvelimfALT2 1804 19.23vv 1871 sbanv 1876 pm11.53 1882 nfsbxy 1929 nfsbxyt 1930 sbcomxyyz 1959 sb9 1966 sbnf2 1968 2sb6 1971 sbcom2v 1972 sb6a 1975 2sb6rf 1977 sbalyz 1986 sbal 1987 sbal1yz 1988 sbal1 1989 sbalv 1992 2exsb 1996 nfsb4t 2001 dvelimf 2002 dveeq1 2006 sbal2 2007 sb8eu 2026 sb8euh 2036 eu1 2038 eu2 2057 mo3h 2066 moanim 2087 2eu4 2106 exists1 2109 eqcom 2166 hblem 2272 abeq2 2273 abeq1 2274 nfceqi 2302 abid2f 2332 dfrex2dc 2455 ralbii2 2474 r2alf 2481 nfraldya 2499 r3al 2508 r19.21t 2539 r19.23t 2571 rabid2 2640 rabbi 2641 ralv 2738 ceqsralt 2748 gencbval 2769 rspc2gv 2837 ralab 2881 ralrab2 2886 euind 2908 reu2 2909 reu3 2911 rmo4 2914 reu8 2917 rmo3f 2918 rmoim 2922 2reuswapdc 2925 reuind 2926 2rmorex 2927 ra5 3034 rmo2ilem 3035 rmo3 3037 dfss2 3126 ss2ab 3205 ss2rab 3213 rabss 3214 uniiunlem 3226 dfdif3 3227 ddifstab 3249 ssequn1 3287 unss 3291 ralunb 3298 ssin 3339 ssddif 3351 n0rf 3416 eq0 3422 eqv 3423 rabeq0 3433 abeq0 3434 disj 3452 disj3 3456 rgenm 3506 pwss 3569 ralsnsg 3607 ralsns 3608 disjsn 3632 euabsn2 3639 snss 3696 snsssn 3735 dfnfc2 3801 uni0b 3808 unissb 3813 elintrab 3830 ssintrab 3841 intun 3849 intpr 3850 dfiin2g 3893 iunss 3901 dfdisj2 3955 cbvdisj 3963 disjnim 3967 dftr2 4076 dftr5 4077 trint 4089 zfnuleu 4100 vnex 4107 inex1 4110 repizf2lem 4134 axpweq 4144 zfpow 4148 axpow2 4149 axpow3 4150 exmid01 4171 zfpair2 4182 ssextss 4192 frirrg 4322 sucel 4382 zfun 4406 uniex2 4408 setindel 4509 setind 4510 elirr 4512 en2lp 4525 zfregfr 4545 tfi 4553 peano5 4569 ssrel 4686 ssrel2 4688 eqrelrel 4699 reliun 4719 raliunxp 4739 relop 4748 dmopab3 4811 dm0rn0 4815 reldm0 4816 cotr 4979 issref 4980 asymref 4983 intirr 4984 sb8iota 5154 dffun2 5192 dffun4 5193 dffun6f 5195 dffun4f 5198 dffun7 5209 funopab 5217 funcnv2 5242 funcnv 5243 funcnveq 5245 fun2cnv 5246 fun11 5249 fununi 5250 funcnvuni 5251 funimaexglem 5265 fnres 5298 fnopabg 5305 rexrnmpt 5622 dff13 5730 oprabidlem 5864 eqoprab2b 5891 mpo2eqb 5942 ralrnmpo 5947 dfer2 6493 pw1dc0el 6868 fiintim 6885 omniwomnimkv 7122 ltexprlemdisj 7538 recexprlemdisj 7562 isprm2 12028 bj-stal 13464 bj-nfalt 13480 bdceq 13559 bdcriota 13600 bj-axempty2 13611 bj-vprc 13613 bdinex1 13616 bj-zfpair2 13627 bj-uniex2 13633 bj-ssom 13653 bj-inf2vnlem2 13688 ss1oel2o 13707 |
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