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Authors
Author
R.H. Johnson
R. H. Johnson (1916-2008) was a Chief Executive Officer of the Del Webb Corporation from 1974-1981. He also served in the board of the Del Webb Foundation from 1967 until 2007, serving as the board's president after retiring from Del Webb in 1981.
Books
Handbook of the Logic of Argument and Inference (Studies in Logic and Practical Reasoning)
J. Woods, D.M. Gabbay, R.H. Johnson, H.J. Ohlbach