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| Mirrors > Home > MPE Home > Th. List > xrletrd | Structured version Visualization version GIF version | ||
| Description: Transitive law for ordering on extended reals. (Contributed by Mario Carneiro, 23-Aug-2015.) |
| Ref | Expression |
|---|---|
| xrlttrd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ*) |
| xrlttrd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ*) |
| xrlttrd.3 | ⊢ (𝜑 → 𝐶 ∈ ℝ*) |
| xrletrd.4 | ⊢ (𝜑 → 𝐴 ≤ 𝐵) |
| xrletrd.5 | ⊢ (𝜑 → 𝐵 ≤ 𝐶) |
| Ref | Expression |
|---|---|
| xrletrd | ⊢ (𝜑 → 𝐴 ≤ 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrletrd.4 | . 2 ⊢ (𝜑 → 𝐴 ≤ 𝐵) | |
| 2 | xrletrd.5 | . 2 ⊢ (𝜑 → 𝐵 ≤ 𝐶) | |
| 3 | xrlttrd.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ ℝ*) | |
| 4 | xrlttrd.2 | . . 3 ⊢ (𝜑 → 𝐵 ∈ ℝ*) | |
| 5 | xrlttrd.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ*) | |
| 6 | xrletr 13209 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → ((𝐴 ≤ 𝐵 ∧ 𝐵 ≤ 𝐶) → 𝐴 ≤ 𝐶)) | |
| 7 | 3, 4, 5, 6 | syl3anc 1398 | . 2 ⊢ (𝜑 → ((𝐴 ≤ 𝐵 ∧ 𝐵 ≤ 𝐶) → 𝐴 ≤ 𝐶)) |
| 8 | 1, 2, 7 | mp2and 712 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2145 class class class wbr 5103 ℝ*cxr 11266 ≤ cle 11268 |
| 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 2732 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-cnex 11180 ax-resscn 11181 ax-pre-lttri 11198 ax-pre-lttrn 11199 |
| 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 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 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 5550 df-po 5563 df-so 5564 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-er 8696 df-en 8953 df-dom 8954 df-sdom 8955 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 |
| This theorem is used by: xaddge0 13310 ixxub 13419 ixxlb 13420 limsupval2 15567 0ram 17112 xpsdsval 24607 xblss2ps 24627 xblss2 24628 comet 24739 stdbdxmet 24741 nmoleub 24957 metnrmlem1 25086 nmoleub2lem 25342 ovollb2lem 25716 ovoliunlem2 25731 ovolscalem1 25741 ovolicc1 25744 ovolicc2lem4 25748 voliunlem2 25779 uniioombllem3 25813 itg2uba 25971 itg2lea 25972 itg2split 25977 itg2monolem3 25980 itg2gt0 25988 lhop1lem 26240 dvfsumlem2 26254 dvfsumlem3 26255 dvfsumlem4 26256 deg1addle2 26327 deg1sublt 26335 nmooge0 31248 ply1degltlss 34006 metideq 34403 measiun 34729 omssubadd 34811 carsgclctunlem2 34830 mblfinlem1 38406 ismblfin 38410 ftc1anclem8 38449 ftc1anc 38450 aks6d1c6lem2 43037 aks6d1c6lem3 43038 unitscyglem5 43065 hbtlem2 43965 idomodle 44032 xle2addd 46166 xralrple2 46184 infleinflem1 46199 xralrple4 46202 xralrple3 46203 suplesup2 46205 infleinf2 46242 infxrlesupxr 46264 inficc 46364 limsupequzlem 46550 limsupvaluz2 46566 supcnvlimsup 46568 liminfval2 46596 liminflelimsuplem 46603 limsupgtlem 46605 fourierdlem1 46936 sge0cl 47209 sge0lefi 47226 sge0iunmptlemre 47243 sge0isum 47255 omeunle 47344 omeiunle 47345 caratheodorylem2 47355 hoicvrrex 47384 ovnsubaddlem1 47398 ovolval5lem1 47480 pimdecfgtioo 47545 pimincfltioo 47546 |
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