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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 25736 | . . 3 ⊢ (𝐹 ∈ dom ∫1 ↔ (𝐹 ∈ MblFn ∧ (𝐹:ℝ⟶ℝ ∧ ran 𝐹 ∈ Fin ∧ (vol‘(◡𝐹 “ (ℝ ∖ {0}))) ∈ ℝ))) | |
| 2 | 1 | simprbi 501 | . 2 ⊢ (𝐹 ∈ dom ∫1 → (𝐹:ℝ⟶ℝ ∧ ran 𝐹 ∈ Fin ∧ (vol‘(◡𝐹 “ (ℝ ∖ {0}))) ∈ ℝ)) |
| 3 | 2 | simp2d 1156 | 1 ⊢ (𝐹 ∈ dom ∫1 → ran 𝐹 ∈ Fin) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1098 ∈ wcel 2142 ∖ cdif 3901 {csn 4582 ◡ccnv 5646 dom cdm 5647 ran crn 5648 “ cima 5650 ⟶wf 6517 ‘cfv 6521 Fincfn 8927 ℝcr 11072 0cc0 11073 volcvol 25525 MblFncmbf 25676 ∫1citg1 25677 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-sep 5246 ax-nul 5256 ax-pr 5390 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-ral 3077 df-rex 3087 df-rab 3415 df-v 3456 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-fv 6529 df-sum 15714 df-itg1 25682 |
| This theorem is referenced by: i1fima 25740 itg1cl 25747 itg1ge0 25748 i1fadd 25757 i1fmul 25758 itg1addlem4 25761 itg1addlem5 25762 i1fmulc 25765 itg1mulc 25766 i1fres 25767 itg10a 25772 itg1ge0a 25773 itg1climres 25776 itg2addnclem2 38171 ftc1anclem3 38194 ftc1anclem6 38197 ftc1anclem7 38198 ftc1anc 38200 |
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