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Mirrors > Home > MPE Home > Th. List > lenltd | Structured version Visualization version GIF version |
Description: 'Less than or equal to' in terms of 'less than'. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
ltd.1 | ⊢ (𝜑 → 𝐴 ∈ ℝ) |
ltd.2 | ⊢ (𝜑 → 𝐵 ∈ ℝ) |
Ref | Expression |
---|---|
lenltd | ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ ¬ 𝐵 < 𝐴)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℝ) | |
2 | ltd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℝ) | |
3 | lenlt 10719 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ 𝐵 ∈ ℝ) → (𝐴 ≤ 𝐵 ↔ ¬ 𝐵 < 𝐴)) | |
4 | 1, 2, 3 | syl2anc 586 | 1 ⊢ (𝜑 → (𝐴 ≤ 𝐵 ↔ ¬ 𝐵 < 𝐴)) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 208 ∈ wcel 2114 class class class wbr 5066 ℝcr 10536 < clt 10675 ≤ cle 10676 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-sep 5203 ax-nul 5210 ax-pr 5330 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3an 1085 df-tru 1540 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-rab 3147 df-v 3496 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-nul 4292 df-if 4468 df-sn 4568 df-pr 4570 df-op 4574 df-br 5067 df-opab 5129 df-xp 5561 df-cnv 5563 df-xr 10679 df-le 10681 |
This theorem is referenced by: ltnsymd 10789 nltled 10790 lensymd 10791 leadd1 11108 leord1 11167 lediv1 11505 lemuldiv 11520 lerec 11523 le2msq 11540 suprleub 11607 infregelb 11625 suprfinzcl 12098 uzinfi 12329 rpnnen1lem5 12381 nn0disj 13024 fleqceilz 13223 modsumfzodifsn 13313 addmodlteq 13315 leexp2 13536 expnngt1 13603 hashf1 13816 swrdccatin2 14091 isercoll 15024 ruclem3 15586 sadcaddlem 15806 pcfac 16235 sylow1lem1 18723 fvmptnn04if 21457 chfacfisf 21462 chfacfisfcpmat 21463 ivthlem2 24053 ioorcl2 24173 itg1ge0a 24312 mbfi1fseqlem4 24319 itg2monolem1 24351 itg2cnlem1 24362 mdegmullem 24672 quotcan 24898 logdivle 25205 cxple 25278 gausslemma2dlem1a 25941 padicabv 26206 upgrewlkle2 27388 pthdlem1 27547 ssnnssfz 30510 smattr 31064 smatbl 31065 smatbr 31066 esumpcvgval 31337 eulerpartlems 31618 dstfrvunirn 31732 ballotlemodife 31755 erdszelem7 32444 erdszelem8 32445 unbdqndv2lem1 33848 poimirlem2 34909 poimirlem7 34914 poimirlem10 34917 poimirlem11 34918 areacirc 35002 frlmvscadiccat 39194 rencldnfilem 39466 irrapxlem1 39468 monotoddzzfi 39588 radcnvrat 40695 reclt0d 41707 reclt0 41712 sqrlearg 41878 dvnxpaek 42276 volico 42317 sublevolico 42318 fourierdlem12 42453 fourierdlem42 42483 elaa2lem 42567 iundjiun 42791 hoidmvval0 42918 hoidmv1lelem2 42923 hoidmv1lelem3 42924 hoidmvlelem4 42929 hspdifhsp 42947 volico2 42972 ovolval2lem 42974 vonioo 43013 smfconst 43075 fzopredsuc 43572 stgoldbwt 43990 nnsum3primesle9 44008 bgoldbtbndlem1 44019 ssnn0ssfz 44446 |
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