![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > xrltle | Structured version Visualization version GIF version |
Description: 'Less than' implies 'less than or equal' for extended reals. (Contributed by NM, 19-Jan-2006.) |
Ref | Expression |
---|---|
xrltle | ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | orc 865 | . 2 ⊢ (𝐴 < 𝐵 → (𝐴 < 𝐵 ∨ 𝐴 = 𝐵)) | |
2 | xrleloe 13073 | . 2 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 ≤ 𝐵 ↔ (𝐴 < 𝐵 ∨ 𝐴 = 𝐵))) | |
3 | 1, 2 | imbitrrid 245 | 1 ⊢ ((𝐴 ∈ ℝ* ∧ 𝐵 ∈ ℝ*) → (𝐴 < 𝐵 → 𝐴 ≤ 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∨ wo 845 = wceq 1541 ∈ wcel 2106 class class class wbr 5110 ℝ*cxr 11197 < clt 11198 ≤ cle 11199 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2702 ax-sep 5261 ax-nul 5268 ax-pow 5325 ax-pr 5389 ax-un 7677 ax-cnex 11116 ax-resscn 11117 ax-pre-lttri 11134 ax-pre-lttrn 11135 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rab 3406 df-v 3448 df-sbc 3743 df-csb 3859 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4288 df-if 4492 df-pw 4567 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4871 df-br 5111 df-opab 5173 df-mpt 5194 df-id 5536 df-po 5550 df-so 5551 df-xp 5644 df-rel 5645 df-cnv 5646 df-co 5647 df-dm 5648 df-rn 5649 df-res 5650 df-ima 5651 df-iota 6453 df-fun 6503 df-fn 6504 df-f 6505 df-f1 6506 df-fo 6507 df-f1o 6508 df-fv 6509 df-er 8655 df-en 8891 df-dom 8892 df-sdom 8893 df-pnf 11200 df-mnf 11201 df-xr 11202 df-ltxr 11203 df-le 11204 |
This theorem is referenced by: xrltled 13079 xrletri 13082 xrletr 13087 qextltlem 13131 xmulge0 13213 supxrunb1 13248 ico0 13320 ioc0 13321 ioossicc 13360 icossicc 13363 iocssicc 13364 ioossico 13365 snunioo 13405 snunico 13406 ioopnfsup 13779 icopnfsup 13780 hashnnn0genn0 14253 leordtval2 22600 lecldbas 22607 blcls 23899 stdbdxmet 23908 stdbdmopn 23911 metcnpi3 23939 xrsmopn 24212 metnrmlem1a 24258 bndth 24358 ovolgelb 24881 icombl 24965 ioorf 24974 ioorinv2 24976 itg2seq 25144 tanord1 25930 dvloglem 26040 iocinif 31752 esumpinfsum 32765 omssubadd 32989 elicc3 34865 tan2h 36143 heicant 36186 itg2addnclem 36202 radcnvrat 42716 ioossioc 43850 ioossioobi 43875 fouriersw 44592 iccpartnel 45750 i0oii 47072 io1ii 47073 |
Copyright terms: Public domain | W3C validator |