| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > icossre | Structured version Visualization version GIF version | ||
| Description: A closed-below interval with real lower bound is a set of reals. (Contributed by Mario Carneiro, 14-Jun-2014.) |
| Ref | Expression |
|---|---|
| icossre | ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ*) → (𝐴[,)𝐵) ⊆ ℝ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elico2 13464 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ*) → (𝑥 ∈ (𝐴[,)𝐵) ↔ (𝑥 ∈ ℝ ∧ 𝐴 ≤ 𝑥 ∧ 𝑥 < 𝐵))) | |
| 2 | 1 | biimp3a 1498 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ* ∧ 𝑥 ∈ (𝐴[,)𝐵)) → (𝑥 ∈ ℝ ∧ 𝐴 ≤ 𝑥 ∧ 𝑥 < 𝐵)) |
| 3 | 2 | simp1d 1160 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ* ∧ 𝑥 ∈ (𝐴[,)𝐵)) → 𝑥 ∈ ℝ) |
| 4 | 3 | 3expia 1139 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ*) → (𝑥 ∈ (𝐴[,)𝐵) → 𝑥 ∈ ℝ)) |
| 5 | 4 | ssrdv 3937 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ*) → (𝐴[,)𝐵) ⊆ ℝ) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 ∈ wcel 2145 ⊆ wss 3899 class class class wbr 5103 (class class class)co 7414 ℝcr 11124 ℝ*cxr 11267 < clt 11268 ≤ cle 11269 [,)cico 13401 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11181 ax-resscn 11182 ax-pre-lttri 11199 ax-pre-lttrn 11200 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-po 5563 df-so 5564 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-ov 7417 df-oprab 7418 df-mpo 7419 df-er 8697 df-en 8954 df-dom 8955 df-sdom 8956 df-pnf 11270 df-mnf 11271 df-xr 11272 df-ltxr 11273 df-le 11274 df-ico 13405 |
| This theorem is used by: icoshftf1o 13528 ico01fl0 13881 rexico 15442 rlim3 15586 fprodge1 16083 ovolicopnf 25753 dvfsumrlim2 26260 tanord1 26775 chebbnd1 27709 chebbnd2 27714 dchrisumlem3 27728 pntpbnd1 27823 pntibndlem2 27828 sxbrsigalem0 34783 dya2iocress 34786 dya2iocucvr 34796 sitmcl 34863 tan2h 38367 icoopn 46356 limciccioolb 46452 ltmod 46467 limcresioolb 46472 limsupresre 46525 limsupresico 46529 liminfresico 46600 fourierdlem32 46968 fourierdlem46 46981 fourierdlem48 46983 fourierdlem93 47028 fouriersw 47060 fouriercn 47061 hoissre 47373 hoissrrn2 47407 hoidmv1lelem2 47421 ovnlecvr2 47439 hspdifhsp 47445 hoiqssbllem2 47452 hspmbllem2 47456 iinhoiicclem 47502 |
| Copyright terms: Public domain | W3C validator |