| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > elico1 | Structured version Visualization version GIF version | ||
| Description: Membership in a closed-below, open-above interval of extended reals. (Contributed by NM, 24-Dec-2006.) (Revised by Mario Carneiro, 3-Nov-2013.) |
| Ref | Expression |
|---|---|
| elico1 | ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,)𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 < 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-ico 13355 | . 2 ⊢ [,) = (𝑥 ∈ ℝ*, 𝑦 ∈ ℝ* ↦ {𝑧 ∈ ℝ* ∣ (𝑥 ≤ 𝑧 ∧ 𝑧 < 𝑦)}) | |
| 2 | 1 | elixx1 13358 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐶 ∈ (𝐴[,)𝐵) ↔ (𝐶 ∈ ℝ* ∧ 𝐴 ≤ 𝐶 ∧ 𝐶 < 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 ∧ wa 399 ∧ w3a 1098 ∈ wcel 2142 class class class wbr 5100 (class class class)co 7396 ℝ*cxr 11215 < clt 11216 ≤ cle 11217 [,)cico 13351 |
| 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-pr 5390 ax-un 7718 ax-cnex 11129 ax-resscn 11130 |
| 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-ral 3077 df-rex 3087 df-rab 3415 df-v 3456 df-sbc 3745 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-iota 6477 df-fun 6523 df-fv 6529 df-ov 7399 df-oprab 7400 df-mpo 7401 df-xr 11220 df-ico 13355 |
| This theorem is referenced by: elicod 13399 icogelb 13400 lbico1 13404 elico2 13414 icodisj 13480 ico01fl0 13829 addmodid 13932 leordtvallem2 23271 pnfnei 23280 mnfnei 23281 blval2 24622 metuel2 24625 iscfil2 25328 eliccelico 32979 elicoelioo 32980 xrdifh 32982 fsumrp0cl 33199 ply1degltel 33790 ply1degleel 33791 ply1degltdimlem 33919 xrge0iifcnv 34230 esumpcvgval 34375 dnizeq0 36913 relowlssretop 37857 tan2h 38111 iocinico 43789 rfcnpre3 45613 icoltub 46084 icoiccdif 46100 iccelpart 48039 icceuelpart 48042 bgoldbtbndlem1 48427 bgoldbtbndlem2 48428 bgoldbtbndlem3 48429 bgoldbtbnd 48431 |
| Copyright terms: Public domain | W3C validator |