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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 13179 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → ((𝐴 ≤ 𝐵 ∧ 𝐵 ≤ 𝐶) → 𝐴 ≤ 𝐶)) | |
| 7 | 3, 4, 5, 6 | syl3anc 1396 | . 2 ⊢ (𝜑 → ((𝐴 ≤ 𝐵 ∧ 𝐵 ≤ 𝐶) → 𝐴 ≤ 𝐶)) |
| 8 | 1, 2, 7 | mp2and 711 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∈ wcel 2149 class class class wbr 5110 ℝ*cxr 11238 ≤ cle 11240 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-cnex 11152 ax-resscn 11153 ax-pre-lttri 11170 ax-pre-lttrn 11171 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 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 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11241 df-mnf 11242 df-xr 11243 df-ltxr 11244 df-le 11245 |
| This theorem is referenced by: xaddge0 13280 ixxub 13389 ixxlb 13390 limsupval2 15527 0ram 17076 xpsdsval 24503 xblss2ps 24523 xblss2 24524 comet 24635 stdbdxmet 24637 nmoleub 24853 metnrmlem1 24982 nmoleub2lem 25238 ovollb2lem 25612 ovoliunlem2 25627 ovolscalem1 25637 ovolicc1 25640 ovolicc2lem4 25644 voliunlem2 25675 uniioombllem3 25709 itg2uba 25867 itg2lea 25868 itg2split 25873 itg2monolem3 25876 itg2gt0 25884 lhop1lem 26137 dvfsumlem2 26151 dvfsumlem3 26152 dvfsumlem4 26153 deg1addle2 26224 deg1sublt 26232 nmooge0 31056 ply1degltlss 33827 metideq 34224 measiun 34549 omssubadd 34631 carsgclctunlem2 34650 mblfinlem1 38191 ismblfin 38195 ftc1anclem8 38234 ftc1anc 38235 aks6d1c6lem2 42823 aks6d1c6lem3 42824 unitscyglem5 42851 hbtlem2 43736 idomodle 43803 xle2addd 45937 xralrple2 45955 infleinflem1 45970 xralrple4 45973 xralrple3 45974 suplesup2 45976 infleinf2 46013 infxrlesupxr 46035 inficc 46135 limsupequzlem 46321 limsupvaluz2 46337 supcnvlimsup 46339 liminfval2 46367 liminflelimsuplem 46374 limsupgtlem 46376 fourierdlem1 46707 sge0cl 46980 sge0lefi 46997 sge0iunmptlemre 47014 sge0isum 47026 omeunle 47115 omeiunle 47116 caratheodorylem2 47126 hoicvrrex 47155 ovnsubaddlem1 47169 ovolval5lem1 47251 pimdecfgtioo 47316 pimincfltioo 47317 |
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