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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 25802 | . . 3 ⊢ (𝐹 ∈ dom ∫1 ↔ (𝐹 ∈ MblFn ∧ (𝐹:ℝ⟶ℝ ∧ ran 𝐹 ∈ Fin ∧ (vol‘(◡𝐹 “ (ℝ ∖ {0}))) ∈ ℝ))) | |
| 2 | 1 | simprbi 502 | . 2 ⊢ (𝐹 ∈ dom ∫1 → (𝐹:ℝ⟶ℝ ∧ ran 𝐹 ∈ Fin ∧ (vol‘(◡𝐹 “ (ℝ ∖ {0}))) ∈ ℝ)) |
| 3 | 2 | simp2d 1159 | 1 ⊢ (𝐹 ∈ dom ∫1 → ran 𝐹 ∈ Fin) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1101 ∈ wcel 2149 ∖ cdif 3910 {csn 4594 ◡ccnv 5661 dom cdm 5662 ran crn 5663 “ cima 5665 ⟶wf 6533 ‘cfv 6537 Fincfn 8943 ℝcr 11099 0cc0 11100 volcvol 25591 MblFncmbf 25742 ∫1citg1 25743 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5261 ax-nul 5271 ax-pr 5405 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-br 5114 df-opab 5178 df-mpt 5197 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-fv 6545 df-sum 15738 df-itg1 25748 |
| This theorem is referenced by: i1fima 25806 itg1cl 25813 itg1ge0 25814 i1fadd 25823 i1fmul 25824 itg1addlem4 25827 itg1addlem5 25828 i1fmulc 25831 itg1mulc 25832 i1fres 25833 itg10a 25838 itg1ge0a 25839 itg1climres 25842 itg2addnclem2 38211 ftc1anclem3 38234 ftc1anclem6 38237 ftc1anclem7 38238 ftc1anc 38240 |
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