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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 13184 | . . 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 711 | 1 ⊢ (𝜑 → 𝐴 ≤ 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 ∈ wcel 2143 class class class wbr 5110 ℝ*cxr 11243 ≤ cle 11245 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-cnex 11157 ax-resscn 11158 ax-pre-lttri 11175 ax-pre-lttrn 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 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 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-er 8695 df-en 8945 df-dom 8946 df-sdom 8947 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 |
| This theorem is referenced by: xaddge0 13285 ixxub 13394 ixxlb 13395 limsupval2 15533 0ram 17081 xpsdsval 24519 xblss2ps 24539 xblss2 24540 comet 24651 stdbdxmet 24653 nmoleub 24869 metnrmlem1 24998 nmoleub2lem 25254 ovollb2lem 25628 ovoliunlem2 25643 ovolscalem1 25653 ovolicc1 25656 ovolicc2lem4 25660 voliunlem2 25691 uniioombllem3 25725 itg2uba 25883 itg2lea 25884 itg2split 25889 itg2monolem3 25892 itg2gt0 25900 lhop1lem 26153 dvfsumlem2 26167 dvfsumlem3 26168 dvfsumlem4 26169 deg1addle2 26240 deg1sublt 26248 nmooge0 31100 ply1degltlss 33867 metideq 34264 measiun 34589 omssubadd 34671 carsgclctunlem2 34690 mblfinlem1 38289 ismblfin 38293 ftc1anclem8 38332 ftc1anc 38333 aks6d1c6lem2 42919 aks6d1c6lem3 42920 unitscyglem5 42947 hbtlem2 43834 idomodle 43901 xle2addd 46035 xralrple2 46053 infleinflem1 46068 xralrple4 46071 xralrple3 46072 suplesup2 46074 infleinf2 46111 infxrlesupxr 46133 inficc 46233 limsupequzlem 46419 limsupvaluz2 46435 supcnvlimsup 46437 liminfval2 46465 liminflelimsuplem 46472 limsupgtlem 46474 fourierdlem1 46805 sge0cl 47078 sge0lefi 47095 sge0iunmptlemre 47112 sge0isum 47124 omeunle 47213 omeiunle 47214 caratheodorylem2 47224 hoicvrrex 47253 ovnsubaddlem1 47267 ovolval5lem1 47349 pimdecfgtioo 47414 pimincfltioo 47415 |
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