Re: [PEIRCE-L] Re: [biosemiotics:8389] Re: Natural Propositions, Ch.

2015-04-21 Thread Howard Pattee
At 10:20 AM 4/21/2015, Frederik Stjernfelt wrote: Howard said: There are no a priori foods as illustrated by the many http://en.wikipedia.org/wiki/Extremotrophextremotrophs. FS: Haha! But that is not the argument. The argument that the categories food and poison are a priori, not which

[PEIRCE-L] Re: [biosemiotics:8389] Re: Natural Propositions, Ch.

2015-04-21 Thread Frederik Stjernfelt
Dear Howard, lists - At 04:16 AM 4/21/2015, Frederik Stjernfelt wrote: The distinction between food and poison belongs, I would say, to the a priori concepts of biology - not of logic. HP: What is food for a cell is decided by the evolutionary history of the cell as recorded by its heritable