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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 13327 | . . 3 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → ((𝐴 ≤ 𝐵 ∧ 𝐵 ≤ 𝐶) → 𝐴 ≤ 𝐶)) | |
| 7 | 3, 4, 5, 6 | syl3anc 1399 | . 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 2147 class class class wbr 5108 ℝ*cxr 11381 ≤ cle 11383 |
| 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-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-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 |
| This theorem is used by: xaddge0 13428 ixxub 13537 ixxlb 13538 limsupval2 15691 0ram 17242 xpsdsval 24755 xblss2ps 24775 xblss2 24776 comet 24887 stdbdxmet 24889 nmoleub 25105 metnrmlem1 25234 nmoleub2lem 25490 ovollb2lem 25864 ovoliunlem2 25879 ovolscalem1 25889 ovolicc1 25892 ovolicc2lem4 25896 voliunlem2 25927 uniioombllem3 25961 itg2uba 26119 itg2lea 26120 itg2split 26125 itg2monolem3 26128 itg2gt0 26136 lhop1lem 26388 dvfsumlem2 26402 dvfsumlem3 26403 dvfsumlem4 26404 deg1addle2 26475 deg1sublt 26483 nmooge0 31426 ply1degltlss 34231 metideq 34636 measiun 34962 omssubadd 35043 carsgclctunlem2 35062 mblfinlem1 38843 ismblfin 38847 ftc1anclem8 38886 ftc1anc 38887 aks6d1c6lem2 43487 aks6d1c6lem3 43488 unitscyglem5 43515 hbtlem2 44391 idomodle 44454 xle2addd 46621 xralrple2 46639 infleinflem1 46654 xralrple4 46657 xralrple3 46658 suplesup2 46660 infleinf2 46697 infxrlesupxr 46719 inficc 46819 limsupequzlem 47005 limsupvaluz2 47021 supcnvlimsup 47023 liminfval2 47051 liminflelimsuplem 47058 limsupgtlem 47060 fourierdlem1 47391 sge0cl 47664 sge0lefi 47681 sge0iunmptlemre 47698 sge0isum 47710 omeunle 47799 omeiunle 47800 caratheodorylem2 47810 hoicvrrex 47839 ovnsubaddlem1 47853 ovolval5lem1 47935 pimdecfgtioo 48000 pimincfltioo 48001 |
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