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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 12803 | . . . . 5 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ*) → (𝑥 ∈ (𝐴[,)𝐵) ↔ (𝑥 ∈ ℝ ∧ 𝐴 ≤ 𝑥 ∧ 𝑥 < 𝐵))) | |
2 | 1 | biimp3a 1465 | . . . 4 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ* ∧ 𝑥 ∈ (𝐴[,)𝐵)) → (𝑥 ∈ ℝ ∧ 𝐴 ≤ 𝑥 ∧ 𝑥 < 𝐵)) |
3 | 2 | simp1d 1138 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ* ∧ 𝑥 ∈ (𝐴[,)𝐵)) → 𝑥 ∈ ℝ) |
4 | 3 | 3expia 1117 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ*) → (𝑥 ∈ (𝐴[,)𝐵) → 𝑥 ∈ ℝ)) |
5 | 4 | ssrdv 3976 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ*) → (𝐴[,)𝐵) ⊆ ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 ∧ w3a 1083 ∈ wcel 2113 ⊆ wss 3939 class class class wbr 5069 (class class class)co 7159 ℝcr 10539 ℝ*cxr 10677 < clt 10678 ≤ cle 10679 [,)cico 12743 |
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 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2796 ax-sep 5206 ax-nul 5213 ax-pow 5269 ax-pr 5333 ax-un 7464 ax-cnex 10596 ax-resscn 10597 ax-pre-lttri 10614 ax-pre-lttrn 10615 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2803 df-cleq 2817 df-clel 2896 df-nfc 2966 df-ne 3020 df-nel 3127 df-ral 3146 df-rex 3147 df-rab 3150 df-v 3499 df-sbc 3776 df-csb 3887 df-dif 3942 df-un 3944 df-in 3946 df-ss 3955 df-nul 4295 df-if 4471 df-pw 4544 df-sn 4571 df-pr 4573 df-op 4577 df-uni 4842 df-br 5070 df-opab 5132 df-mpt 5150 df-id 5463 df-po 5477 df-so 5478 df-xp 5564 df-rel 5565 df-cnv 5566 df-co 5567 df-dm 5568 df-rn 5569 df-res 5570 df-ima 5571 df-iota 6317 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 df-ov 7162 df-oprab 7163 df-mpo 7164 df-er 8292 df-en 8513 df-dom 8514 df-sdom 8515 df-pnf 10680 df-mnf 10681 df-xr 10682 df-ltxr 10683 df-le 10684 df-ico 12747 |
This theorem is referenced by: icoshftf1o 12863 ico01fl0 13192 rexico 14716 rlim3 14858 fprodge1 15352 ovolicopnf 24128 dvfsumrlim2 24632 tanord1 25124 chebbnd1 26051 chebbnd2 26056 dchrisumlem3 26070 pntpbnd1 26165 pntibndlem2 26170 sxbrsigalem0 31533 dya2iocress 31536 dya2iocucvr 31546 sitmcl 31613 tan2h 34888 icoopn 41807 limciccioolb 41908 ltmod 41925 limcresioolb 41930 limsupresre 41983 limsupresico 41987 liminfresico 42058 fourierdlem32 42431 fourierdlem46 42444 fourierdlem48 42446 fourierdlem93 42491 fouriersw 42523 fouriercn 42524 hoissre 42833 hoissrrn2 42867 hoidmv1lelem2 42881 ovnlecvr2 42899 hspdifhsp 42905 hoiqssbllem2 42912 hspmbllem2 42916 iinhoiicclem 42962 |
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