I @Nicolaou
That's my first post and was not about the definition of positivism per se (me and Viviane were already talking about positivism in other topic), but one of the positions positivism leads. Meaning or purpose of human life beyond biological goals is nonsense to positivists because cannot be scientifically verified.
My crude definition of positivism is 5 posts before your first one. (page 4)