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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 25833 | . . 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 1161 | 1 ⊢ (𝐹 ∈ dom ∫1 → ran 𝐹 ∈ Fin) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1103 ∈ wcel 2143 ∖ cdif 3902 {csn 4589 ◡ccnv 5660 dom cdm 5661 ran crn 5662 “ cima 5664 ⟶wf 6532 ‘cfv 6536 Fincfn 8939 ℝcr 11094 0cc0 11095 volcvol 25622 MblFncmbf 25773 ∫1citg1 25774 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pr 5404 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-fv 6544 df-sum 15734 df-itg1 25779 |
| This theorem is referenced by: i1fima 25837 itg1cl 25844 itg1ge0 25845 i1fadd 25854 i1fmul 25855 itg1addlem4 25858 itg1addlem5 25859 i1fmulc 25862 itg1mulc 25863 i1fres 25864 itg10a 25869 itg1ge0a 25870 itg1climres 25873 itg2addnclem2 38343 ftc1anclem3 38366 ftc1anclem6 38369 ftc1anclem7 38370 ftc1anc 38372 |
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