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Mirrors > Home > ILE Home > Th. List > albidv | GIF version |
Description: Formula-building rule for universal quantifier (deduction form). (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
albidv.1 | ⊢ (𝜑 → (𝜓 ↔ 𝜒)) |
Ref | Expression |
---|---|
albidv | ⊢ (𝜑 → (∀𝑥𝜓 ↔ ∀𝑥𝜒)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-17 1506 | . 2 ⊢ (𝜑 → ∀𝑥𝜑) | |
2 | albidv.1 | . 2 ⊢ (𝜑 → (𝜓 ↔ 𝜒)) | |
3 | 1, 2 | albidh 1456 | 1 ⊢ (𝜑 → (∀𝑥𝜓 ↔ ∀𝑥𝜒)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ↔ wb 104 ∀wal 1329 |
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-17 1506 |
This theorem depends on definitions: df-bi 116 |
This theorem is referenced by: ax11v 1799 2albidv 1839 sbal1yz 1976 eujust 2001 euf 2004 mo23 2040 axext3 2122 bm1.1 2124 eqeq1 2146 nfceqdf 2280 ralbidv2 2439 alexeq 2811 pm13.183 2822 eqeu 2854 mo2icl 2863 euind 2871 reuind 2889 cdeqal 2898 sbcal 2960 sbcalg 2961 sbcabel 2990 csbiebg 3042 ssconb 3209 reldisj 3414 sbcssg 3472 elint 3777 axsep2 4047 zfauscl 4048 bm1.3ii 4049 exmidel 4128 euotd 4176 freq1 4266 freq2 4268 eusv1 4373 ontr2exmid 4440 regexmid 4450 tfisi 4501 nnregexmid 4534 iota5 5108 sbcfung 5147 funimass4 5472 dffo3 5567 eufnfv 5648 dff13 5669 tfr1onlemsucfn 6237 tfr1onlemsucaccv 6238 tfr1onlembxssdm 6240 tfr1onlembfn 6241 tfrcllemsucfn 6250 tfrcllemsucaccv 6251 tfrcllembxssdm 6253 tfrcllembfn 6254 tfrcl 6261 frecabcl 6296 ssfiexmid 6770 domfiexmid 6772 diffitest 6781 findcard 6782 findcard2 6783 findcard2s 6784 fiintim 6817 fisseneq 6820 isomni 7008 isomnimap 7009 ismkv 7027 ismkvmap 7028 exmidfodomrlemr 7058 exmidfodomrlemrALT 7059 fz1sbc 9876 frecuzrdgtcl 10185 frecuzrdgfunlem 10192 zfz1iso 10584 istopg 12166 bdsep2 13084 bdsepnfALT 13087 bdzfauscl 13088 bdbm1.3ii 13089 bj-2inf 13136 bj-nn0sucALT 13176 strcoll2 13181 strcollnfALT 13184 |
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