Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
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 | fvex 6113 | . . 3 ⊢ (𝐹‘𝑦) ∈ V | |
2 | 1 | a1i 11 | . 2 ⊢ ((𝐹 Fn 𝐴 ∧ 𝑦 ∈ 𝐴) → (𝐹‘𝑦) ∈ V) |
3 | fvelrnb 6153 | . . 3 ⊢ (𝐹 Fn 𝐴 → (𝑥 ∈ ran 𝐹 ↔ ∃𝑦 ∈ 𝐴 (𝐹‘𝑦) = 𝑥)) | |
4 | eqcom 2617 | . . . 4 ⊢ ((𝐹‘𝑦) = 𝑥 ↔ 𝑥 = (𝐹‘𝑦)) | |
5 | 4 | rexbii 3023 | . . 3 ⊢ (∃𝑦 ∈ 𝐴 (𝐹‘𝑦) = 𝑥 ↔ ∃𝑦 ∈ 𝐴 𝑥 = (𝐹‘𝑦)) |
6 | 3, 5 | syl6bb 275 | . 2 ⊢ (𝐹 Fn 𝐴 → (𝑥 ∈ ran 𝐹 ↔ ∃𝑦 ∈ 𝐴 𝑥 = (𝐹‘𝑦))) |
7 | rexrn.1 | . . 3 ⊢ (𝑥 = (𝐹‘𝑦) → (𝜑 ↔ 𝜓)) | |
8 | 7 | adantl 481 | . 2 ⊢ ((𝐹 Fn 𝐴 ∧ 𝑥 = (𝐹‘𝑦)) → (𝜑 ↔ 𝜓)) |
9 | 2, 6, 8 | ralxfr2d 4808 | 1 ⊢ (𝐹 Fn 𝐴 → (∀𝑥 ∈ ran 𝐹𝜑 ↔ ∀𝑦 ∈ 𝐴 𝜓)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 195 ∧ wa 383 = wceq 1475 ∈ wcel 1977 ∀wral 2896 ∃wrex 2897 Vcvv 3173 ran crn 5039 Fn wfn 5799 ‘cfv 5804 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pr 4833 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-iota 5768 df-fun 5806 df-fn 5807 df-fv 5812 |
This theorem is referenced by: ralrnmpt 6276 cbvfo 6444 isoselem 6491 indexfi 8157 ordtypelem9 8314 ordtypelem10 8315 wemapwe 8477 numacn 8755 acndom 8757 rpnnen1lem3 11692 rpnnen1lem3OLD 11698 fsequb2 12637 limsuple 14057 limsupval2 14059 climsup 14248 ruclem11 14808 ruclem12 14809 prmreclem6 15463 imasaddfnlem 16011 imasvscafn 16020 cycsubgcl 17443 ghmrn 17496 ghmnsgima 17507 pgpssslw 17852 gexex 18079 dprdfcntz 18237 znf1o 19719 frlmlbs 19955 lindfrn 19979 ptcnplem 21234 kqt0lem 21349 isr0 21350 regr1lem2 21353 uzrest 21511 tmdgsum2 21710 imasf1oxmet 21990 imasf1omet 21991 bndth 22565 evth 22566 ovolficcss 23045 ovollb2lem 23063 ovolunlem1 23072 ovoliunlem1 23077 ovoliunlem2 23078 ovoliun2 23081 ovolscalem1 23088 ovolicc1 23091 voliunlem2 23126 voliunlem3 23127 ioombl1lem4 23136 uniioovol 23153 uniioombllem2 23157 uniioombllem3 23159 uniioombllem6 23162 volsup2 23179 vitalilem3 23185 mbfsup 23237 mbfinf 23238 mbflimsup 23239 itg1ge0 23259 itg1mulc 23277 itg1climres 23287 mbfi1fseqlem4 23291 itg2seq 23315 itg2monolem1 23323 itg2mono 23326 itg2i1fseq2 23329 itg2gt0 23333 itg2cnlem1 23334 itg2cn 23336 limciun 23464 plycpn 23848 hmopidmchi 28394 hmopidmpji 28395 rge0scvg 29323 mclsax 30720 mblfinlem2 32617 ismtyhmeolem 32773 nacsfix 36293 fnwe2lem2 36639 gneispace 37452 climinf 38673 |
Copyright terms: Public domain | W3C validator |