Open Access. Powered by Scholars. Published by Universities.®

Philosophy Commons

Open Access. Powered by Scholars. Published by Universities.®

Loyola Marymount University and Loyola Law School

Discipline
Keyword
Publication Year
Publication
Publication Type

Articles 241 - 251 of 251

Full-Text Articles in Philosophy

Evolution Is Opportunistic, Not Directional - Response, Timothy Shanahan Jan 2001

Evolution Is Opportunistic, Not Directional - Response, Timothy Shanahan

Philosophy Faculty Works

Argues against an article published in 'BioScience' magazine in which Timothy Shanahan says that evolution is progressive and directional and embodies improvement.Discussion of regressive and progressive evolution and the accompanying multiplication or loss of phenotypic characteristics; Illustrations related to the blindness and loss of pigmentation in troglobitic, or deep-sea cave organisms; Response from Shanahan.


Evolutionary Progress?, Timothy Shanahan May 2000

Evolutionary Progress?, Timothy Shanahan

Philosophy Faculty Works

No abstract provided.


Review Of Jay Wood, Becoming Intellectually Virtuous, Jason Baehr Jan 2000

Review Of Jay Wood, Becoming Intellectually Virtuous, Jason Baehr

Philosophy Faculty Works

No abstract provided.


Species, Timothy Shanahan Jan 2000

Species, Timothy Shanahan

Philosophy Faculty Works

No abstract provided.


Is The 'Medical Management' Of Ectopic Pregnancy By The Administration Of Methotrexate Morally Acceptable?, Christopher Kaczor Jan 1999

Is The 'Medical Management' Of Ectopic Pregnancy By The Administration Of Methotrexate Morally Acceptable?, Christopher Kaczor

Philosophy Faculty Works

No abstract provided.


Darwinian Naturalism, Theism, And Biological Design, Timothy Shanahan Sep 1997

Darwinian Naturalism, Theism, And Biological Design, Timothy Shanahan

Philosophy Faculty Works

No abstract provided.


Evolution, Phenotypic Selection, And The Units Of Selection, Timothy Shanahan Jun 1990

Evolution, Phenotypic Selection, And The Units Of Selection, Timothy Shanahan

Philosophy Faculty Works

No abstract provided.


Group Selection And The Evolution Of Myxomatosis, Timothy Shanahan Jan 1990

Group Selection And The Evolution Of Myxomatosis, Timothy Shanahan

Philosophy Faculty Works

Before it is possible to asses the importance of "group selection" in nature, it is necessary to rigorously define this term. A definition of group selection is derived from a critical analysis of conceptions common in the biological literature. This definition is then used to clarify the debate over the mechanism responsible for the evolution of myxomatosis in Australia.


Beatty On Chance And Natural Selection, Timothy Shanahan Sep 1989

Beatty On Chance And Natural Selection, Timothy Shanahan

Philosophy Faculty Works

In his (1984) John Beatty correctly identifies the issue of the role of chance in evolution as one of the liveliest disputes in evolutionary biology. He argues, on the basis of a carefully articulated example, that "Even on a proper construal of 'natural selection', it is difficult to distinguish between the 'improbable results of natural selection' and evolution by random drift". His other remarks indicate that he is thinking of conceptual as well as practical indistinguishability. In this discussion I take issue with one of the consequences Beatty draws from his example. I argue that the example at most shows …


God And Nature In The Thought Of Robert Boyle, Timothy Shanahan Oct 1988

God And Nature In The Thought Of Robert Boyle, Timothy Shanahan

Philosophy Faculty Works

No abstract provided.


The First Moment Of Scientific Inquiry: C.S. Peirce On The Logic Of Abduction, Timothy Shanahan Jan 1986

The First Moment Of Scientific Inquiry: C.S. Peirce On The Logic Of Abduction, Timothy Shanahan

Philosophy Faculty Works

No abstract provided.