Re: why Pi is not recognized as a positive number?

*To*: mathgroup at smc.vnet.net*Subject*: [mg45373] Re: why Pi is not recognized as a positive number?*From*: "Jean.Pellegri" <Jean.Pellegri at wanadoo.fr>*Date*: Sat, 3 Jan 2004 01:35:17 -0500 (EST)*References*: <bt3e0s$plb$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

"Pedro L" <pedrito6 at softhome.net> a écrit dans le message de news:bt3e0s$plb$1 at smc.vnet.net... > I wanted to define a function for the positive numbers. But I discovered > something "strange" with Mathematica. > Mathematica version 4.1 In[16]:= Positive[Pi] Out[16]= True In[17]:= Pi>0 Out[17]= True Salut Jean Pellegri