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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 11227 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | 1re 11225 | . 2 ⊢ 1 ∈ ℝ | |
| 3 | 1, 2 | elicc2i 13457 | 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 2146 class class class wbr 5111 (class class class)co 7419 ℝcr 11116 0cc0 11117 1c1 11118 ≤ cle 11261 [,]cicc 13393 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-cnex 11173 ax-resscn 11174 ax-1cn 11175 ax-icn 11176 ax-addcl 11177 ax-addrcl 11178 ax-mulcl 11179 ax-mulrcl 11180 ax-i2m1 11185 ax-1ne0 11186 ax-rnegex 11188 ax-rrecex 11189 ax-cnre 11190 ax-pre-lttri 11191 ax-pre-lttrn 11192 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-ov 7422 df-oprab 7423 df-mpo 7424 df-er 8700 df-en 8950 df-dom 8951 df-sdom 8952 df-pnf 11262 df-mnf 11263 df-xr 11264 df-ltxr 11265 df-le 11266 df-icc 13397 |
| This theorem is used by: elunitrn 13512 0elunit 13514 1elunit 13515 divelunit 13539 lincmb01cmp 13540 iccf1o 13541 rpnnen2lem12 16305 blcvx 25008 iirev 25141 iihalf2 25145 elii2 25148 iimulcl 25149 iccpnfhmeo 25157 xrhmeo 25158 lebnumii 25178 htpycc 25192 pcocn 25229 pcohtpylem 25231 pcopt 25234 pcopt2 25235 pcoass 25236 pcorevlem 25238 vitalilem2 25821 abelth2 26658 chordthmlem4 27053 leibpi 27160 jensenlem2 27205 lgamgulmlem2 27247 ttgcontlem1 29291 brbtwn2 29312 ax5seglem1 29335 ax5seglem2 29336 ax5seglem3 29338 ax5seglem5 29340 ax5seglem6 29341 ax5seglem9 29344 ax5seg 29345 axbtwnid 29346 axpaschlem 29347 axpasch 29348 axcontlem2 29372 axcontlem4 29374 axcontlem7 29377 stge0 32649 stle1 32650 strlem3a 32677 elunitge0 34355 unitdivcld 34357 xrge0iifiso 34391 xrge0iifhom 34393 resconn 35777 snmlff 35860 poimirlem29 38359 poimirlem30 38360 poimirlem31 38361 poimirlem32 38362 i0oii 49757 io1ii 49758 |
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