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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 11235 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | 1re 11233 | . 2 ⊢ 1 ∈ ℝ | |
| 3 | 1, 2 | elicc2i 13466 | 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 7414 ℝcr 11124 0cc0 11125 1c1 11126 ≤ cle 11269 [,]cicc 13402 |
| 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-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-i2m1 11193 ax-1ne0 11194 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 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-icc 13406 |
| This theorem is used by: elunitrn 13521 0elunit 13523 1elunit 13524 divelunit 13548 lincmb01cmp 13549 iccf1o 13550 rpnnen2lem12 16314 blcvx 25025 iirev 25158 iihalf2 25162 elii2 25165 iimulcl 25166 iccpnfhmeo 25174 xrhmeo 25175 lebnumii 25195 htpycc 25209 pcocn 25246 pcohtpylem 25248 pcopt 25251 pcopt2 25252 pcoass 25253 pcorevlem 25255 vitalilem2 25838 abelth2 26679 chordthmlem4 27073 leibpi 27180 jensenlem2 27225 lgamgulmlem2 27267 ttgcontlem1 29342 brbtwn2 29363 ax5seglem1 29386 ax5seglem2 29387 ax5seglem3 29389 ax5seglem5 29391 ax5seglem6 29392 ax5seglem9 29395 ax5seg 29396 axbtwnid 29397 axpaschlem 29398 axpasch 29399 axcontlem2 29423 axcontlem4 29425 axcontlem7 29428 stge0 32706 stle1 32707 strlem3a 32734 elunitge0 34410 unitdivcld 34412 xrge0iifiso 34446 xrge0iifhom 34448 resconn 35826 snmlff 35909 poimirlem29 38399 poimirlem30 38400 poimirlem31 38401 poimirlem32 38402 i0oii 49847 io1ii 49848 |
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