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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 274 | . 2 ⊢ ((𝑥 ∈ 𝐴 → 𝜑) ↔ (𝑥 ∈ 𝐴 → 𝜓)) |
3 | 2 | ralbii2 3131 | 1 ⊢ (∀𝑥 ∈ 𝐴 𝜑 ↔ ∀𝑥 ∈ 𝐴 𝜓) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∈ wcel 2111 ∀wral 3106 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 |
This theorem depends on definitions: df-bi 210 df-ral 3111 |
This theorem is referenced by: ralanid 3136 poinxp 5596 soinxp 5597 seinxp 5599 dffun8 6352 funcnv3 6394 fncnv 6397 fnres 6446 fvreseq0 6785 isoini2 7071 smores 7972 tfr3ALT 8021 resixp 8480 ixpfi2 8806 marypha1lem 8881 ac5num 9447 acni2 9457 acndom 9462 dfac4 9533 brdom7disj 9942 brdom6disj 9943 fpwwe2lem8 10048 axgroth6 10239 rabssnn0fi 13349 lo1res 14908 isprm5 16041 prmreclem2 16243 tsrss 17825 gass 18423 efgval2 18842 efgsres 18856 acsfn1p 19571 isdomn2 20065 islinds2 20502 isclo 21692 ptclsg 22220 ufilcmp 22637 cfilres 23900 ovolgelb 24084 volsup2 24209 vitali 24217 itg1climres 24318 itg2seq 24346 itg2monolem1 24354 itg2mono 24357 itg2i1fseq 24359 itg2cn 24367 ellimc2 24480 rolle 24593 lhop1 24617 itgsubstlem 24651 tdeglem4 24661 dvdsmulf1o 25779 dchrelbas2 25821 selbergsb 26159 axcontlem2 26759 dfconngr1 27973 hodsi 29558 ho01i 29611 ho02i 29612 lnopeqi 29791 nmcopexi 29810 nmcfnexi 29834 cnlnadjlem3 29852 cnlnadjlem5 29854 leop3 29908 pjssposi 29955 largei 30050 mdsl2i 30105 mdsl2bi 30106 elat2 30123 dmdbr5ati 30205 cdj3lem3b 30223 subfacp1lem3 32542 dfso3 33063 phpreu 35041 ptrecube 35057 mblfinlem1 35094 voliunnfl 35101 alephiso2 40257 ntrneiel2 40789 ismbl3 42628 ismbl4 42635 sge0lefimpt 43062 sbgoldbalt 44299 |
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