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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 13280 | . . 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 11335 ≤ cle 11337 |
| 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 2733 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-cnex 11249 ax-resscn 11250 ax-pre-lttri 11267 ax-pre-lttrn 11268 |
| 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 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-rab 3414 df-v 3453 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 5546 df-po 5559 df-so 5560 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-er 8710 df-en 8967 df-dom 8968 df-sdom 8969 df-pnf 11338 df-mnf 11339 df-xr 11340 df-ltxr 11341 df-le 11342 |
| This theorem is used by: xaddge0 13381 ixxub 13490 ixxlb 13491 limsupval2 15640 0ram 17191 xpsdsval 24693 xblss2ps 24713 xblss2 24714 comet 24825 stdbdxmet 24827 nmoleub 25043 metnrmlem1 25172 nmoleub2lem 25428 ovollb2lem 25802 ovoliunlem2 25817 ovolscalem1 25827 ovolicc1 25830 ovolicc2lem4 25834 voliunlem2 25865 uniioombllem3 25899 itg2uba 26057 itg2lea 26058 itg2split 26063 itg2monolem3 26066 itg2gt0 26074 lhop1lem 26326 dvfsumlem2 26340 dvfsumlem3 26341 dvfsumlem4 26342 deg1addle2 26413 deg1sublt 26421 nmooge0 31362 ply1degltlss 34121 metideq 34518 measiun 34844 omssubadd 34925 carsgclctunlem2 34944 mblfinlem1 38555 ismblfin 38559 ftc1anclem8 38598 ftc1anc 38599 aks6d1c6lem2 43201 aks6d1c6lem3 43202 unitscyglem5 43229 hbtlem2 44110 idomodle 44177 xle2addd 46317 xralrple2 46335 infleinflem1 46350 xralrple4 46353 xralrple3 46354 suplesup2 46356 infleinf2 46393 infxrlesupxr 46415 inficc 46515 limsupequzlem 46701 limsupvaluz2 46717 supcnvlimsup 46719 liminfval2 46747 liminflelimsuplem 46754 limsupgtlem 46756 fourierdlem1 47087 sge0cl 47360 sge0lefi 47377 sge0iunmptlemre 47394 sge0isum 47406 omeunle 47495 omeiunle 47496 caratheodorylem2 47506 hoicvrrex 47535 ovnsubaddlem1 47549 ovolval5lem1 47631 pimdecfgtioo 47696 pimincfltioo 47697 |
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