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Mirrors > Home > MPE Home > Th. List > xrltso | Structured version Visualization version GIF version |
Description: 'Less than' is a strict ordering on the extended reals. (Contributed by NM, 15-Oct-2005.) |
Ref | Expression |
---|---|
xrltso | ⊢ < Or ℝ* |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | xrlttri 11848 | . 2 ⊢ ((𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ*) → (𝑥 < 𝑦 ↔ ¬ (𝑥 = 𝑦 ∨ 𝑦 < 𝑥))) | |
2 | xrlttr 11849 | . 2 ⊢ ((𝑥 ∈ ℝ* ∧ 𝑦 ∈ ℝ* ∧ 𝑧 ∈ ℝ*) → ((𝑥 < 𝑦 ∧ 𝑦 < 𝑧) → 𝑥 < 𝑧)) | |
3 | 1, 2 | isso2i 4991 | 1 ⊢ < Or ℝ* |
Colors of variables: wff setvar class |
Syntax hints: Or wor 4958 ℝ*cxr 9952 < clt 9953 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-cnex 9871 ax-resscn 9872 ax-pre-lttri 9889 ax-pre-lttrn 9890 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-opab 4644 df-mpt 4645 df-id 4953 df-po 4959 df-so 4960 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 |
This theorem is referenced by: xrlttri2 11851 xrlttri3 11852 xrltne 11870 xmullem 11966 xmulasslem 11987 supxr 12015 supxrcl 12017 supxrun 12018 supxrmnf 12019 supxrunb1 12021 supxrunb2 12022 supxrub 12026 supxrlub 12027 infxrcl 12035 infxrlb 12036 infxrgelb 12037 xrinf0 12039 infmremnf 12044 limsupval 14053 limsupgval 14055 limsupgre 14060 ramval 15550 ramcl2lem 15551 prdsdsfn 15948 prdsdsval 15961 imasdsfn 15997 imasdsval 15998 prdsmet 21985 xpsdsval 21996 prdsbl 22106 tmsxpsval2 22154 nmoval 22329 xrge0tsms2 22446 metdsval 22458 iccpnfhmeo 22552 xrhmeo 22553 ovolval 23049 ovolf 23057 ovolctb 23065 itg2val 23301 mdegval 23627 mdegldg 23630 mdegxrf 23632 mdegcl 23633 aannenlem2 23888 nmooval 27002 nmoo0 27030 nmopval 28099 nmfnval 28119 nmop0 28229 nmfn0 28230 xrsupssd 28914 xrge0infssd 28916 infxrge0lb 28919 infxrge0glb 28920 infxrge0gelb 28921 xrsclat 29011 xrge0iifiso 29309 esumval 29435 esumnul 29437 esum0 29438 gsumesum 29448 esumsnf 29453 esumpcvgval 29467 esum2d 29482 omsfval 29683 omsf 29685 oms0 29686 omssubaddlem 29688 omssubadd 29689 mblfinlem2 32617 ovoliunnfl 32621 voliunnfl 32623 volsupnfl 32624 itg2addnclem 32631 radcnvrat 37535 infxrglb 38497 xrgtso 38502 infxr 38524 infxrunb2 38525 etransclem48 39175 sge0val 39259 sge0z 39268 sge00 39269 sge0sn 39272 sge0tsms 39273 ovnval2 39435 |
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