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Mirrors > Home > MPE Home > Th. List > iirev | Structured version Visualization version GIF version |
Description: Reverse the unit interval. (Contributed by Jeff Madsen, 2-Sep-2009.) |
Ref | Expression |
---|---|
iirev | ⊢ (𝑋 ∈ (0[,]1) → (1 − 𝑋) ∈ (0[,]1)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1re 10906 | . . . . 5 ⊢ 1 ∈ ℝ | |
2 | resubcl 11215 | . . . . 5 ⊢ ((1 ∈ ℝ ∧ 𝑋 ∈ ℝ) → (1 − 𝑋) ∈ ℝ) | |
3 | 1, 2 | mpan 686 | . . . 4 ⊢ (𝑋 ∈ ℝ → (1 − 𝑋) ∈ ℝ) |
4 | 3 | 3ad2ant1 1131 | . . 3 ⊢ ((𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1) → (1 − 𝑋) ∈ ℝ) |
5 | simp3 1136 | . . . 4 ⊢ ((𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1) → 𝑋 ≤ 1) | |
6 | simp1 1134 | . . . . 5 ⊢ ((𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1) → 𝑋 ∈ ℝ) | |
7 | subge0 11418 | . . . . 5 ⊢ ((1 ∈ ℝ ∧ 𝑋 ∈ ℝ) → (0 ≤ (1 − 𝑋) ↔ 𝑋 ≤ 1)) | |
8 | 1, 6, 7 | sylancr 586 | . . . 4 ⊢ ((𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1) → (0 ≤ (1 − 𝑋) ↔ 𝑋 ≤ 1)) |
9 | 5, 8 | mpbird 256 | . . 3 ⊢ ((𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1) → 0 ≤ (1 − 𝑋)) |
10 | simp2 1135 | . . . 4 ⊢ ((𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1) → 0 ≤ 𝑋) | |
11 | subge02 11421 | . . . . 5 ⊢ ((1 ∈ ℝ ∧ 𝑋 ∈ ℝ) → (0 ≤ 𝑋 ↔ (1 − 𝑋) ≤ 1)) | |
12 | 1, 6, 11 | sylancr 586 | . . . 4 ⊢ ((𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1) → (0 ≤ 𝑋 ↔ (1 − 𝑋) ≤ 1)) |
13 | 10, 12 | mpbid 231 | . . 3 ⊢ ((𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1) → (1 − 𝑋) ≤ 1) |
14 | 4, 9, 13 | 3jca 1126 | . 2 ⊢ ((𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1) → ((1 − 𝑋) ∈ ℝ ∧ 0 ≤ (1 − 𝑋) ∧ (1 − 𝑋) ≤ 1)) |
15 | elicc01 13127 | . 2 ⊢ (𝑋 ∈ (0[,]1) ↔ (𝑋 ∈ ℝ ∧ 0 ≤ 𝑋 ∧ 𝑋 ≤ 1)) | |
16 | elicc01 13127 | . 2 ⊢ ((1 − 𝑋) ∈ (0[,]1) ↔ ((1 − 𝑋) ∈ ℝ ∧ 0 ≤ (1 − 𝑋) ∧ (1 − 𝑋) ≤ 1)) | |
17 | 14, 15, 16 | 3imtr4i 291 | 1 ⊢ (𝑋 ∈ (0[,]1) → (1 − 𝑋) ∈ (0[,]1)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ w3a 1085 ∈ wcel 2108 class class class wbr 5070 (class class class)co 7255 ℝcr 10801 0cc0 10802 1c1 10803 ≤ cle 10941 − cmin 11135 [,]cicc 13011 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4837 df-br 5071 df-opab 5133 df-mpt 5154 df-id 5480 df-po 5494 df-so 5495 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-icc 13015 |
This theorem is referenced by: iirevcn 23999 icccvx 24019 phtpycom 24057 pcorev2 24097 pi1xfrcnv 24126 dvlipcn 25063 efcvx 25513 logccv 25723 leibpi 25997 cvxcl 26039 resconn 33108 |
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