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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 11310 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | 1re 11308 | . 2 ⊢ 1 ∈ ℝ | |
| 3 | 1, 2 | elicc2i 13543 | 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 7420 ℝcr 11199 0cc0 11200 1c1 11201 ≤ cle 11344 [,]cicc 13479 |
| 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 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 ax-cnex 11256 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-i2m1 11268 ax-1ne0 11269 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 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 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7423 df-oprab 7424 df-mpo 7425 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-icc 13483 |
| This theorem is used by: elunitrn 13598 0elunit 13600 1elunit 13601 divelunit 13625 lincmb01cmp 13626 iccf1o 13627 rpnnen2lem12 16393 blcvx 25117 iirev 25250 iihalf2 25254 elii2 25257 iimulcl 25258 iccpnfhmeo 25266 xrhmeo 25267 lebnumii 25287 htpycc 25301 pcocn 25338 pcohtpylem 25340 pcopt 25343 pcopt2 25344 pcoass 25345 pcorevlem 25347 vitalilem2 25930 abelth2 26769 chordthmlem4 27163 leibpi 27270 jensenlem2 27315 lgamgulmlem2 27357 ttgcontlem1 29462 brbtwn2 29483 ax5seglem1 29506 ax5seglem2 29507 ax5seglem3 29509 ax5seglem5 29511 ax5seglem6 29512 ax5seglem9 29515 ax5seg 29516 axbtwnid 29517 axpaschlem 29518 axpasch 29519 axcontlem2 29543 axcontlem4 29545 axcontlem7 29548 stge0 32826 stle1 32827 strlem3a 32854 elunitge0 34531 unitdivcld 34533 xrge0iifiso 34567 xrge0iifhom 34569 resconn 36011 snmlff 36094 poimirlem29 38567 poimirlem30 38568 poimirlem31 38569 poimirlem32 38570 i0oii 50027 io1ii 50028 |
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