http://reply.papertrans.cn/1/42/4189/4189-31.png
http://reply.papertrans.cn/1/42/4189/4189-32.png
Submitted on: 27 July 2009.
Revised on: 04 November 2009.
Accepted on: 03 December 2009.
___________________BRITISH JOURNAL FOR THE PHILOSOPHY OF SCIENCE
http://reply.papertrans.cn/1/42/4189/4189-34.png
Submitted on: 02 November 2011.
Revised on: 22 February 2012.
Accepted on: 25 March 2012.
___________________BRITISH JOURNAL FOR THE PHILOSOPHY OF SCIENCE
http://reply.papertrans.cn/1/42/4189/4189-36.png