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Mirrors > Home > MPE Home > Th. List > ralbiia | Structured version Visualization version GIF version |
Description: Inference adding restricted universal quantifier to both sides of an equivalence. (Contributed by NM, 26-Nov-2000.) |
Ref | Expression |
---|---|
ralbiia.1 | ⊢ (𝑥 ∈ 𝐴 → (𝜑 ↔ 𝜓)) |
Ref | Expression |
---|---|
ralbiia | ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐴 𝜓) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ralbiia.1 | . . 3 ⊢ (𝑥 ∈ 𝐴 → (𝜑 ↔ 𝜓)) | |
2 | 1 | pm5.74i 273 | . 2 ⊢ ((𝑥 ∈ 𝐴 → 𝜑) ↔ (𝑥 ∈ 𝐴 → 𝜓)) |
3 | 2 | ralbii2 3163 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐴 𝜓) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∈ wcel 2110 ∀wral 3138 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 |
This theorem depends on definitions: df-bi 209 df-ral 3143 |
This theorem is referenced by: ralanid 3168 poinxp 5627 soinxp 5628 seinxp 5630 dffun8 6378 funcnv3 6419 fncnv 6422 fnres 6469 fvreseq0 6803 isoini2 7086 smores 7983 tfr3ALT 8032 resixp 8491 ixpfi2 8816 marypha1lem 8891 ac5num 9456 acni2 9466 acndom 9471 dfac4 9542 brdom7disj 9947 brdom6disj 9948 fpwwe2lem8 10053 axgroth6 10244 rabssnn0fi 13348 lo1res 14910 isprm5 16045 prmreclem2 16247 tsrss 17827 gass 18425 efgval2 18844 efgsres 18858 acsfn1p 19572 isdomn2 20066 islinds2 20951 isclo 21689 ptclsg 22217 ufilcmp 22634 cfilres 23893 ovolgelb 24075 volsup2 24200 vitali 24208 itg1climres 24309 itg2seq 24337 itg2monolem1 24345 itg2mono 24348 itg2i1fseq 24350 itg2cn 24358 ellimc2 24469 rolle 24581 lhop1 24605 itgsubstlem 24639 tdeglem4 24648 dvdsmulf1o 25765 dchrelbas2 25807 selbergsb 26145 axcontlem2 26745 dfconngr1 27961 hodsi 29546 ho01i 29599 ho02i 29600 lnopeqi 29779 nmcopexi 29798 nmcfnexi 29822 cnlnadjlem3 29840 cnlnadjlem5 29842 leop3 29896 pjssposi 29943 largei 30038 mdsl2i 30093 mdsl2bi 30094 elat2 30111 dmdbr5ati 30193 cdj3lem3b 30211 subfacp1lem3 32424 dfso3 32945 phpreu 34870 ptrecube 34886 mblfinlem1 34923 voliunnfl 34930 alephiso2 39910 ntrneiel2 40429 ismbl3 42264 ismbl4 42271 sge0lefimpt 42698 sbgoldbalt 43939 |
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