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Mirrors > Home > MPE Home > Th. List > i1frn | Structured version Visualization version GIF version |
Description: A simple function has finite range. (Contributed by Mario Carneiro, 26-Jun-2014.) |
Ref | Expression |
---|---|
i1frn | ⊢ (𝐹 ∈ dom ∫1 → ran 𝐹 ∈ Fin) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isi1f 24838 | . . 3 ⊢ (𝐹 ∈ dom ∫1 ↔ (𝐹 ∈ MblFn ∧ (𝐹:ℝ⟶ℝ ∧ ran 𝐹 ∈ Fin ∧ (vol‘(◡𝐹 “ (ℝ ∖ {0}))) ∈ ℝ))) | |
2 | 1 | simprbi 497 | . 2 ⊢ (𝐹 ∈ dom ∫1 → (𝐹:ℝ⟶ℝ ∧ ran 𝐹 ∈ Fin ∧ (vol‘(◡𝐹 “ (ℝ ∖ {0}))) ∈ ℝ)) |
3 | 2 | simp2d 1142 | 1 ⊢ (𝐹 ∈ dom ∫1 → ran 𝐹 ∈ Fin) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1086 ∈ wcel 2106 ∖ cdif 3884 {csn 4561 ◡ccnv 5588 dom cdm 5589 ran crn 5590 “ cima 5592 ⟶wf 6429 ‘cfv 6433 Fincfn 8733 ℝcr 10870 0cc0 10871 volcvol 24627 MblFncmbf 24778 ∫1citg1 24779 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 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 2709 ax-sep 5223 ax-nul 5230 ax-pr 5352 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ral 3069 df-rex 3070 df-rab 3073 df-v 3434 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-fv 6441 df-sum 15398 df-itg1 24784 |
This theorem is referenced by: i1fima 24842 itg1cl 24849 itg1ge0 24850 i1fadd 24859 i1fmul 24860 itg1addlem4 24863 itg1addlem4OLD 24864 itg1addlem5 24865 i1fmulc 24868 itg1mulc 24869 i1fres 24870 itg10a 24875 itg1ge0a 24876 itg1climres 24879 itg2addnclem2 35829 ftc1anclem3 35852 ftc1anclem6 35855 ftc1anclem7 35856 ftc1anc 35858 |
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