The Philosophical Inquiry develops a "global theory" on the nature of philosophy. This study compares the philosophical process to other cultural activities including, science, religion, and art. What this study reveals is that the philosophical inquiry is a conjectural inquiry, similar to science, which anticipates consensual results.

Lines of Thought: Rethinking Philosophical Assumptions is a highly innovative and powerfully argued book. According to the author, noted Brazilian philosopher Claudio Costa, many philosophical ideas that today are widely seen as old-fashioned and outdated should not be dismissed, but instead should be extensively reworked and reformulated. This also means that contemporary analytical philosophy should begin to question many of its most cherished views and reconsider some of the current ways of looking at philosophy. Following this path, in the philosophy of language, the author suggests...