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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 11349 | . 2 ⊢ 0 ∈ ℝ | |
| 2 | 1re 11347 | . 2 ⊢ 1 ∈ ℝ | |
| 3 | 1, 2 | elicc2i 13583 | 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 2147 class class class wbr 5108 (class class class)co 7451 ℝcr 11238 0cc0 11239 1c1 11240 ≤ cle 11383 [,]cicc 13519 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-i2m1 11307 ax-1ne0 11308 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-br 5109 df-opab 5174 df-mpt 5193 df-id 5553 df-po 5566 df-so 5567 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-ov 7454 df-oprab 7455 df-mpo 7456 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-icc 13523 |
| This theorem is used by: elunitrn 13638 0elunit 13640 1elunit 13641 divelunit 13665 lincmb01cmp 13666 iccf1o 13667 rpnnen2lem12 16437 blcvx 25172 iirev 25305 iihalf2 25309 elii2 25312 iimulcl 25313 iccpnfhmeo 25321 xrhmeo 25322 lebnumii 25342 htpycc 25356 pcocn 25393 pcohtpylem 25395 pcopt 25398 pcopt2 25399 pcoass 25400 pcorevlem 25402 vitalilem2 25985 abelth2 26826 chordthmlem4 27220 leibpi 27327 jensenlem2 27372 lgamgulmlem2 27414 ttgcontlem1 29519 brbtwn2 29540 ax5seglem1 29563 ax5seglem2 29564 ax5seglem3 29566 ax5seglem5 29568 ax5seglem6 29569 ax5seglem9 29572 ax5seg 29573 axbtwnid 29574 axpaschlem 29575 axpasch 29576 axcontlem2 29600 axcontlem4 29602 axcontlem7 29605 stge0 32883 stle1 32884 strlem3a 32911 elunitge0 34642 unitdivcld 34644 xrge0iifiso 34678 xrge0iifhom 34680 resconn 36219 snmlff 36302 poimirlem29 38835 poimirlem30 38836 poimirlem31 38837 poimirlem32 38838 i0oii 50365 io1ii 50366 |
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