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Mirrors > Home > MPE Home > Th. List > ralrn | Structured version Visualization version GIF version |
Description: Restricted universal quantification over the range of a function. (Contributed by Mario Carneiro, 24-Dec-2013.) (Revised by Mario Carneiro, 20-Aug-2014.) |
Ref | Expression |
---|---|
rexrn.1 | ⊢ (𝑥 = (𝐹‘𝑦) → (𝜑 ↔ 𝜓)) |
Ref | Expression |
---|---|
ralrn | ⊢ (𝐹 Fn 𝐴 → (∀𝑥 ∈ ran 𝐹𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fvexd 6862 | . 2 ⊢ ((𝐹 Fn 𝐴 ∧ 𝑦 ∈ 𝐴) → (𝐹‘𝑦) ∈ V) | |
2 | fvelrnb 6908 | . . 3 ⊢ (𝐹 Fn 𝐴 → (𝑥 ∈ ran 𝐹 ↔ ∃𝑦 ∈ 𝐴 (𝐹‘𝑦) = 𝑥)) | |
3 | eqcom 2738 | . . . 4 ⊢ ((𝐹‘𝑦) = 𝑥 ↔ 𝑥 = (𝐹‘𝑦)) | |
4 | 3 | rexbii 3093 | . . 3 ⊢ (∃𝑦 ∈ 𝐴 (𝐹‘𝑦) = 𝑥 ↔ ∃𝑦 ∈ 𝐴 𝑥 = (𝐹‘𝑦)) |
5 | 2, 4 | bitrdi 286 | . 2 ⊢ (𝐹 Fn 𝐴 → (𝑥 ∈ ran 𝐹 ↔ ∃𝑦 ∈ 𝐴 𝑥 = (𝐹‘𝑦))) |
6 | rexrn.1 | . . 3 ⊢ (𝑥 = (𝐹‘𝑦) → (𝜑 ↔ 𝜓)) | |
7 | 6 | adantl 482 | . 2 ⊢ ((𝐹 Fn 𝐴 ∧ 𝑥 = (𝐹‘𝑦)) → (𝜑 ↔ 𝜓)) |
8 | 1, 5, 7 | ralxfr2d 5370 | 1 ⊢ (𝐹 Fn 𝐴 → (∀𝑥 ∈ ran 𝐹𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ∀wral 3060 ∃wrex 3069 Vcvv 3446 ran crn 5639 Fn wfn 6496 ‘cfv 6501 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pr 5389 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-br 5111 df-opab 5173 df-mpt 5194 df-id 5536 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-iota 6453 df-fun 6503 df-fn 6504 df-fv 6509 |
This theorem is referenced by: ralrnmptw 7049 ralrnmpt 7051 cbvfo 7240 isoselem 7291 indexfi 9311 ordtypelem9 9471 ordtypelem10 9472 wemapwe 9642 numacn 9994 acndom 9996 rpnnen1lem3 12913 fsequb2 13891 limsuple 15372 limsupval2 15374 climsup 15566 ruclem11 16133 ruclem12 16134 prmreclem6 16804 imasaddfnlem 17424 imasvscafn 17433 cycsubgcl 19013 ghmrn 19035 ghmnsgima 19046 pgpssslw 19410 gexex 19645 dprdfcntz 19808 znf1o 20995 frlmlbs 21240 lindfrn 21264 ptcnplem 23009 kqt0lem 23124 isr0 23125 regr1lem2 23128 uzrest 23285 tmdgsum2 23484 imasf1oxmet 23765 imasf1omet 23766 bndth 24358 evth 24359 ovolficcss 24870 ovollb2lem 24889 ovolunlem1 24898 ovoliunlem1 24903 ovoliunlem2 24904 ovoliun2 24907 ovolscalem1 24914 ovolicc1 24917 voliunlem2 24952 voliunlem3 24953 ioombl1lem4 24962 uniioovol 24980 uniioombllem2 24984 uniioombllem3 24986 uniioombllem6 24989 volsup2 25006 vitalilem3 25011 mbfsup 25065 mbfinf 25066 mbflimsup 25067 itg1ge0 25087 itg1mulc 25106 itg1climres 25116 mbfi1fseqlem4 25120 itg2seq 25144 itg2monolem1 25152 itg2mono 25155 itg2i1fseq2 25158 itg2gt0 25162 itg2cnlem1 25163 itg2cn 25165 limciun 25295 plycpn 25686 hmopidmchi 31156 hmopidmpji 31157 rge0scvg 32619 mclsax 34250 mblfinlem2 36189 ismtyhmeolem 36336 nacsfix 41093 fnwe2lem2 41436 gneispace 42528 climinf 43967 liminfval2 44129 |
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