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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 13194 | . . 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 2146 class class class wbr 5111 ℝ*cxr 11253 ≤ cle 11255 |
| 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 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7738 ax-cnex 11167 ax-resscn 11168 ax-pre-lttri 11185 ax-pre-lttrn 11186 |
| 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 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3067 df-ral 3082 df-rex 3092 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-er 8696 df-en 8946 df-dom 8947 df-sdom 8948 df-pnf 11256 df-mnf 11257 df-xr 11258 df-ltxr 11259 df-le 11260 |
| This theorem is used by: xaddge0 13295 ixxub 13404 ixxlb 13405 limsupval2 15550 0ram 17097 xpsdsval 24567 xblss2ps 24587 xblss2 24588 comet 24699 stdbdxmet 24701 nmoleub 24917 metnrmlem1 25046 nmoleub2lem 25302 ovollb2lem 25676 ovoliunlem2 25691 ovolscalem1 25701 ovolicc1 25704 ovolicc2lem4 25708 voliunlem2 25739 uniioombllem3 25773 itg2uba 25931 itg2lea 25932 itg2split 25937 itg2monolem3 25940 itg2gt0 25948 lhop1lem 26201 dvfsumlem2 26215 dvfsumlem3 26216 dvfsumlem4 26217 deg1addle2 26288 deg1sublt 26296 nmooge0 31148 ply1degltlss 33909 metideq 34306 measiun 34632 omssubadd 34714 carsgclctunlem2 34733 mblfinlem1 38341 ismblfin 38345 ftc1anclem8 38384 ftc1anc 38385 aks6d1c6lem2 42971 aks6d1c6lem3 42972 unitscyglem5 42999 hbtlem2 43884 idomodle 43951 xle2addd 46085 xralrple2 46103 infleinflem1 46118 xralrple4 46121 xralrple3 46122 suplesup2 46124 infleinf2 46161 infxrlesupxr 46183 inficc 46283 limsupequzlem 46469 limsupvaluz2 46485 supcnvlimsup 46487 liminfval2 46515 liminflelimsuplem 46522 limsupgtlem 46524 fourierdlem1 46855 sge0cl 47128 sge0lefi 47145 sge0iunmptlemre 47162 sge0isum 47174 omeunle 47263 omeiunle 47264 caratheodorylem2 47274 hoicvrrex 47303 ovnsubaddlem1 47317 ovolval5lem1 47399 pimdecfgtioo 47464 pimincfltioo 47465 |
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