| Mathbox for Glauco Siliprandi |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > dmico | Structured version Visualization version GIF version | ||
| Description: The domain of the closed-below, open-above interval function. (Contributed by Glauco Siliprandi, 2-Jan-2022.) |
| Ref | Expression |
|---|---|
| dmico | ⊢ dom [,) = (ℝ* × ℝ*) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ico 13325 | . . 3 ⊢ [,) = (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ {𝑧 ∈ ℝ* ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 < 𝑦)}) | |
| 2 | 1 | ixxf 13329 | . 2 ⊢ [,):(ℝ* × ℝ*)⟶𝒫 ℝ* |
| 3 | 2 | fdmi 6706 | 1 ⊢ dom [,) = (ℝ* × ℝ*) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 𝒫 cpw 4571 × cxp 5644 dom cdm 5646 ℝ*cxr 11225 < clt 11226 ≤ cle 11227 [,)cico 13321 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-sep 5259 ax-nul 5269 ax-pr 5395 ax-un 7718 ax-cnex 11142 ax-resscn 11143 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2880 df-ral 3047 df-rex 3056 df-rab 3412 df-v 3457 df-sbc 3762 df-csb 3871 df-dif 3925 df-un 3927 df-in 3929 df-ss 3939 df-nul 4305 df-if 4497 df-pw 4573 df-sn 4598 df-pr 4600 df-op 4604 df-uni 4880 df-iun 4965 df-br 5116 df-opab 5178 df-mpt 5197 df-id 5541 df-xp 5652 df-rel 5653 df-cnv 5654 df-co 5655 df-dm 5656 df-rn 5657 df-res 5658 df-ima 5659 df-iota 6472 df-fun 6521 df-fn 6522 df-f 6523 df-fv 6527 df-oprab 7398 df-mpo 7399 df-1st 7977 df-2nd 7978 df-xr 11230 df-ico 13325 |
| This theorem is referenced by: ndmico 45535 |
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