| Mathbox for Glauco Siliprandi |
< Previous
Next >
Nearby theorems |
||
| 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 13489 | . . 3 ⊢ [,) = (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ {𝑧 ∈ ℝ* ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 < 𝑦)}) | |
| 2 | 1 | ixxf 13493 | . 2 ⊢ [,):(ℝ* × ℝ*)⟶𝒫 ℝ* |
| 3 | 2 | fdmi 6726 | 1 ⊢ dom [,) = (ℝ* × ℝ*) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 𝒫 cpw 4556 × cxp 5649 dom cdm 5651 ℝ*cxr 11349 < clt 11350 ≤ cle 11351 [,)cico 13485 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pr 5391 ax-un 7755 ax-cnex 11263 ax-resscn 11264 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-fv 6551 df-oprab 7428 df-mpo 7429 df-1st 8005 df-2nd 8006 df-xr 11354 df-ico 13489 |
| This theorem is used by: ndmico 46712 |
| Copyright terms: Public domain | W3C validator |