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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 23247 | . . 3 ⊢ (𝐹 ∈ dom ∫1 ↔ (𝐹 ∈ MblFn ∧ (𝐹:ℝ⟶ℝ ∧ ran 𝐹 ∈ Fin ∧ (vol‘(◡𝐹 “ (ℝ ∖ {0}))) ∈ ℝ))) | |
2 | 1 | simprbi 479 | . 2 ⊢ (𝐹 ∈ dom ∫1 → (𝐹:ℝ⟶ℝ ∧ ran 𝐹 ∈ Fin ∧ (vol‘(◡𝐹 “ (ℝ ∖ {0}))) ∈ ℝ)) |
3 | 2 | simp2d 1067 | 1 ⊢ (𝐹 ∈ dom ∫1 → ran 𝐹 ∈ Fin) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1031 ∈ wcel 1977 ∖ cdif 3537 {csn 4125 ◡ccnv 5037 dom cdm 5038 ran crn 5039 “ cima 5041 ⟶wf 5800 ‘cfv 5804 Fincfn 7841 ℝcr 9814 0cc0 9815 volcvol 23039 MblFncmbf 23189 ∫1citg1 23190 |
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-res 5050 df-ima 5051 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-fv 5812 df-sum 14265 df-itg1 23195 |
This theorem is referenced by: i1fima 23251 itg1cl 23258 itg1ge0 23259 i1fadd 23268 i1fmul 23269 itg1addlem4 23272 itg1addlem5 23273 i1fmulc 23276 itg1mulc 23277 i1fres 23278 itg10a 23283 itg1ge0a 23284 itg1climres 23287 itg2addnclem2 32632 ftc1anclem3 32657 ftc1anclem6 32660 ftc1anclem7 32661 ftc1anc 32663 |
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