| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > unitssxrge0 | Structured version Visualization version GIF version | ||
| Description: The closed unit interval is a subset of the set of the extended nonnegative reals. Useful lemma for manipulating probabilities within the closed unit interval. (Contributed by Thierry Arnoux, 12-Dec-2016.) |
| Ref | Expression |
|---|---|
| unitssxrge0 | ⊢ (0[,]1) ⊆ (0[,]+∞) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0e0iccpnf 13485 | . 2 ⊢ 0 ∈ (0[,]+∞) | |
| 2 | 1xr 11267 | . . 3 ⊢ 1 ∈ ℝ* | |
| 3 | 0le1 11736 | . . 3 ⊢ 0 ≤ 1 | |
| 4 | pnfge 13154 | . . . 4 ⊢ (1 ∈ ℝ* → 1 ≤ +∞) | |
| 5 | 2, 4 | ax-mp 5 | . . 3 ⊢ 1 ≤ +∞ |
| 6 | 0xr 11255 | . . . 4 ⊢ 0 ∈ ℝ* | |
| 7 | pnfxr 11262 | . . . 4 ⊢ +∞ ∈ ℝ* | |
| 8 | elicc1 13415 | . . . 4 ⊢ ((0 ∈ ℝ* ∧ +∞ ∈ ℝ*) → (1 ∈ (0[,]+∞) ↔ (1 ∈ ℝ* ∧ 0 ≤ 1 ∧ 1 ≤ +∞))) | |
| 9 | 6, 7, 8 | mp2an 704 | . . 3 ⊢ (1 ∈ (0[,]+∞) ↔ (1 ∈ ℝ* ∧ 0 ≤ 1 ∧ 1 ≤ +∞)) |
| 10 | 2, 3, 5, 9 | mpbir3an 1358 | . 2 ⊢ 1 ∈ (0[,]+∞) |
| 11 | iccss2 13443 | . 2 ⊢ ((0 ∈ (0[,]+∞) ∧ 1 ∈ (0[,]+∞)) → (0[,]1) ⊆ (0[,]+∞)) | |
| 12 | 1, 10, 11 | mp2an 704 | 1 ⊢ (0[,]1) ⊆ (0[,]+∞) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ∧ w3a 1101 ∈ wcel 2141 ⊆ wss 3904 class class class wbr 5108 (class class class)co 7410 0cc0 11099 1c1 11100 +∞cpnf 11239 ℝ*cxr 11241 ≤ cle 11243 [,]cicc 13374 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1823 ax-4 1837 ax-5 1938 ax-6 1995 ax-7 2036 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-sep 5256 ax-nul 5268 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1571 df-fal 1581 df-ex 1808 df-nf 1812 df-sb 2095 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-reu 3368 df-rab 3415 df-v 3455 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-op 4595 df-uni 4872 df-iun 4957 df-br 5109 df-opab 5173 df-mpt 5192 df-id 5556 df-po 5569 df-so 5570 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-1st 7985 df-2nd 7986 df-er 8693 df-en 8943 df-dom 8944 df-sdom 8945 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-icc 13378 |
| This theorem is referenced by: probun 34775 |
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