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| Mirrors > Home > MPE Home > Th. List > elicc01 | Structured version Visualization version GIF version | ||
| Description: Membership in the closed real interval between 0 and 1, also called the closed unit interval. (Contributed by AV, 20-Aug-2022.) |
| Ref | Expression |
|---|---|
| elicc01 | ⊢ (𝑋 ∈ (0[,]1) ↔ (𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0re 11234 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | 1re 11232 | . 2 ⊢ 1 ∈ ℝ | |
| 3 | 1, 2 | elicc2i 13465 | 1 ⊢ (𝑋 ∈ (0[,]1) ↔ (𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ∧ w3a 1103 ∈ wcel 2145 class class class wbr 5103 (class class class)co 7413 ℝcr 11123 0cc0 11124 1c1 11125 ≤ cle 11268 [,]cicc 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 7736 ax-cnex 11180 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-i2m1 11192 ax-1ne0 11193 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 |
| 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 7416 df-oprab 7417 df-mpo 7418 df-er 8696 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-icc 13405 |
| This theorem is used by: elunitrn 13520 0elunit 13522 1elunit 13523 divelunit 13547 lincmb01cmp 13548 iccf1o 13549 rpnnen2lem12 16313 blcvx 25024 iirev 25157 iihalf2 25161 elii2 25164 iimulcl 25165 iccpnfhmeo 25173 xrhmeo 25174 lebnumii 25194 htpycc 25208 pcocn 25245 pcohtpylem 25247 pcopt 25250 pcopt2 25251 pcoass 25252 pcorevlem 25254 vitalilem2 25837 abelth2 26678 chordthmlem4 27072 leibpi 27179 jensenlem2 27224 lgamgulmlem2 27266 ttgcontlem1 29341 brbtwn2 29362 ax5seglem1 29385 ax5seglem2 29386 ax5seglem3 29388 ax5seglem5 29390 ax5seglem6 29391 ax5seglem9 29394 ax5seg 29395 axbtwnid 29396 axpaschlem 29397 axpasch 29398 axcontlem2 29422 axcontlem4 29424 axcontlem7 29427 stge0 32705 stle1 32706 strlem3a 32733 elunitge0 34409 unitdivcld 34411 xrge0iifiso 34445 xrge0iifhom 34447 resconn 35825 snmlff 35908 poimirlem29 38398 poimirlem30 38399 poimirlem31 38400 poimirlem32 38401 i0oii 49846 io1ii 49847 |
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