

Introduction
The origin of logic
pp. 1-11
in: , Logic, truth and the modalities, Berlin, Springer, 1999Abstract
The question of the origin of logic may pertain to historical origin (When did it all begin? Who founded the science of logic?), psychological origin (When, in the course of its mental development, does the child learn logical operations?), cultural origin (What cultural — theological, metaphysical and linguistic — conditions make such a discipline as logic possible?), or transcendental-constitutive origin (What sorts of acts and/or practices make logic possible?).