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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 11317 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | 1re 11315 | . 2 ⊢ 1 ∈ ℝ | |
| 3 | 1, 2 | elicc2i 13550 | 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 2144 class class class wbr 5102 (class class class)co 7424 ℝcr 11206 0cc0 11207 1c1 11208 ≤ cle 11351 [,]cicc 13486 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 ax-cnex 11263 ax-resscn 11264 ax-1cn 11265 ax-icn 11266 ax-addcl 11267 ax-addrcl 11268 ax-mulcl 11269 ax-mulrcl 11270 ax-i2m1 11275 ax-1ne0 11276 ax-rnegex 11278 ax-rrecex 11279 ax-cnre 11280 ax-pre-lttri 11281 ax-pre-lttrn 11282 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 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 3739 df-csb 3848 df-ss 3897 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-br 5103 df-opab 5167 df-mpt 5186 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 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-ov 7427 df-oprab 7428 df-mpo 7429 df-er 8725 df-en 8982 df-dom 8983 df-sdom 8984 df-pnf 11352 df-mnf 11353 df-xr 11354 df-ltxr 11355 df-le 11356 df-icc 13490 |
| This theorem is used by: elunitrn 13605 0elunit 13607 1elunit 13608 divelunit 13632 lincmb01cmp 13633 iccf1o 13634 rpnnen2lem12 16402 blcvx 25126 iirev 25259 iihalf2 25263 elii2 25266 iimulcl 25267 iccpnfhmeo 25275 xrhmeo 25276 lebnumii 25296 htpycc 25310 pcocn 25347 pcohtpylem 25349 pcopt 25352 pcopt2 25353 pcoass 25354 pcorevlem 25356 vitalilem2 25939 abelth2 26778 chordthmlem4 27172 leibpi 27279 jensenlem2 27324 lgamgulmlem2 27366 ttgcontlem1 29471 brbtwn2 29492 ax5seglem1 29515 ax5seglem2 29516 ax5seglem3 29518 ax5seglem5 29520 ax5seglem6 29521 ax5seglem9 29524 ax5seg 29525 axbtwnid 29526 axpaschlem 29527 axpasch 29528 axcontlem2 29552 axcontlem4 29554 axcontlem7 29557 stge0 32835 stle1 32836 strlem3a 32863 elunitge0 34581 unitdivcld 34583 xrge0iifiso 34617 xrge0iifhom 34619 resconn 36129 snmlff 36212 poimirlem29 38704 poimirlem30 38705 poimirlem31 38706 poimirlem32 38707 i0oii 50170 io1ii 50171 |
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