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Mirrors > Home > MPE Home > Th. List > ltso | Structured version Visualization version GIF version |
Description: 'Less than' is a strict ordering. (Contributed by NM, 19-Jan-1997.) |
Ref | Expression |
---|---|
ltso | ⊢ < Or ℝ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | axlttri 9988 | . 2 ⊢ ((𝑥 ∈ ℝ ∧ 𝑦 ∈ ℝ) → (𝑥 < 𝑦 ↔ ¬ (𝑥 = 𝑦 ∨ 𝑦 < 𝑥))) | |
2 | lttr 9993 | . 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 ℝcr 9814 < 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-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-ltxr 9958 |
This theorem is referenced by: gtso 9998 lttri2 9999 lttri3 10000 lttri4 10001 ltnr 10011 ltnsym2 10015 fimaxre 10847 suprcl 10862 suprub 10863 suprlub 10864 infrecl 10882 infregelb 10884 infrelb 10885 supfirege 10886 suprfinzcl 11368 uzinfi 11644 suprzcl2 11654 suprzub 11655 2resupmax 11893 infmrp1 12045 fseqsupcl 12638 ssnn0fi 12646 fsuppmapnn0fiublem 12651 isercolllem1 14243 isercolllem2 14244 summolem2 14294 zsum 14296 fsumcvg3 14307 mertenslem2 14456 prodmolem2 14504 zprod 14506 cnso 14815 gcdval 15056 dfgcd2 15101 lcmval 15143 lcmgcdlem 15157 odzval 15334 pczpre 15390 prmreclem1 15458 ramz 15567 odval 17776 odf 17779 gexval 17816 gsumval3 18131 retos 19783 mbfsup 23237 mbfinf 23238 itg2monolem1 23323 itg2mono 23326 dvgt0lem2 23570 dvgt0 23571 plyeq0lem 23770 dgrval 23788 dgrcl 23793 dgrub 23794 dgrlb 23796 elqaalem1 23878 elqaalem3 23880 aalioulem2 23892 logccv 24209 ex-po 26684 ssnnssfz 28937 lmdvg 29327 oddpwdc 29743 ballotlemi 29889 ballotlemiex 29890 ballotlemsup 29893 ballotlemimin 29894 ballotlemfrcn0 29918 ballotlemirc 29920 erdszelem3 30429 erdszelem4 30430 erdszelem5 30431 erdszelem6 30432 erdszelem8 30434 erdszelem9 30435 erdszelem11 30437 erdsze2lem1 30439 erdsze2lem2 30440 supfz 30866 inffz 30867 inffzOLD 30868 gtinf 31483 ptrecube 32579 poimirlem31 32610 poimirlem32 32611 heicant 32614 mblfinlem3 32618 mblfinlem4 32619 ismblfin 32620 incsequz2 32715 totbndbnd 32758 prdsbnd 32762 pellfundval 36462 dgraaval 36733 dgraaf 36736 fzisoeu 38455 infrglb 38657 fourierdlem25 39025 fourierdlem31 39031 fourierdlem36 39036 fourierdlem37 39037 fourierdlem42 39042 fourierdlem79 39078 ioorrnopnlem 39200 hoicvr 39438 hoidmvlelem2 39486 iunhoiioolem 39566 vonioolem1 39571 prmdvdsfmtnof1lem1 40034 prmdvdsfmtnof 40036 prmdvdsfmtnof1 40037 ssnn0ssfz 41920 |
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