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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 1397 | . 2 ⊢ (∀𝑥(𝜑 ↔ 𝜓) → (∀𝑥𝜑 ↔ ∀𝑥𝜓)) | |
2 | albii.1 | . 2 ⊢ (𝜑 ↔ 𝜓) | |
3 | 1, 2 | mpg 1380 | 1 ⊢ (∀𝑥𝜑 ↔ ∀𝑥𝜓) |
Colors of variables: wff set class |
Syntax hints: ↔ wb 103 ∀wal 1282 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-5 1376 ax-gen 1378 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: 2albii 1400 hbxfrbi 1401 nfbii 1402 19.26-2 1411 19.26-3an 1412 alrot3 1414 alrot4 1415 albiim 1416 2albiim 1417 alnex 1428 nfalt 1510 aaanh 1518 aaan 1519 alinexa 1534 exintrbi 1564 19.21-2 1597 19.31r 1611 equsalh 1654 equsal 1655 sbcof2 1731 dvelimfALT2 1738 19.23vv 1805 sbanv 1810 pm11.53 1816 nfsbxy 1859 nfsbxyt 1860 sbcomxyyz 1887 sb9 1896 sbnf2 1898 2sb6 1901 sbcom2v 1902 sb6a 1905 2sb6rf 1907 sbalyz 1916 sbal 1917 sbal1yz 1918 sbal1 1919 sbalv 1922 2exsb 1926 nfsb4t 1931 dvelimf 1932 dveeq1 1936 sbal2 1939 sb8eu 1954 sb8euh 1964 eu1 1966 eu2 1985 mo3h 1994 moanim 2015 2eu4 2034 exists1 2037 eqcom 2083 hblem 2186 abeq2 2187 abeq1 2188 nfceqi 2215 abid2f 2243 ralbii2 2376 r2alf 2383 nfraldya 2400 r3al 2408 r19.21t 2436 r19.23t 2467 rabid2 2530 rabbi 2531 ralv 2616 ceqsralt 2626 gencbval 2647 rspc2gv 2712 ralab 2752 ralrab2 2757 euind 2779 reu2 2780 reu3 2782 rmo4 2785 reu8 2788 rmoim 2791 2reuswapdc 2794 reuind 2795 2rmorex 2796 ra5 2902 rmo2ilem 2903 rmo3 2905 dfss2 2988 ss2ab 3062 ss2rab 3070 rabss 3071 uniiunlem 3082 ddifstab 3104 ssequn1 3142 unss 3146 ralunb 3153 ssin 3188 ssddif 3198 n0rf 3260 eq0 3266 eqv 3267 rabeq0 3274 abeq0 3275 disj 3292 disj3 3296 rgenm 3343 pwss 3397 ralsnsg 3430 ralsns 3431 disjsn 3454 euabsn2 3461 snss 3516 snsssn 3553 dfnfc2 3619 uni0b 3626 unissb 3631 elintrab 3648 ssintrab 3659 intun 3667 intpr 3668 dfiin2g 3711 iunss 3719 dfdisj2 3768 cbvdisj 3776 dftr2 3877 dftr5 3878 trint 3890 zfnuleu 3902 vprc 3909 inex1 3912 repizf2lem 3935 axpweq 3945 zfpow 3949 axpow2 3950 axpow3 3951 zfpair2 3965 ssextss 3975 frirrg 4105 sucel 4165 zfun 4189 uniex2 4191 setindel 4281 setind 4282 elirr 4284 en2lp 4297 zfregfr 4316 tfi 4323 peano5 4339 ssrel 4446 ssrel2 4448 eqrelrel 4459 reliun 4476 raliunxp 4495 relop 4504 dmopab3 4566 dm0rn0 4570 reldm0 4571 cotr 4726 issref 4727 asymref 4730 intirr 4731 sb8iota 4894 dffun2 4932 dffun4 4933 dffun6f 4935 dffun4f 4938 dffun7 4948 funopab 4955 funcnv2 4979 funcnv 4980 funcnveq 4982 fun2cnv 4983 fun11 4986 fununi 4987 funcnvuni 4988 funimaexglem 5002 fnres 5035 fnopabg 5042 rexrnmpt 5331 dff13 5428 oprabidlem 5556 eqoprab2b 5583 mpt22eqb 5630 ralrnmpt2 5635 dfer2 6130 ltexprlemdisj 6796 recexprlemdisj 6820 isprm2 10499 bj-nfalt 10575 bdceq 10633 bdcriota 10674 bj-axempty2 10685 bj-vprc 10687 bdinex1 10690 bj-zfpair2 10701 bj-uniex2 10707 bj-ssom 10731 bj-inf2vnlem2 10766 |
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