Hiroshi Tsukimoto Pattern reasoning: Logical reasoning of neural networks. 1-10 2001 32 Systems and Computers in Japan 2 http://dx.doi.org/10.1002/1520-684X(200102)32:2%3c1::AID-SCJ1%3e3.0.CO;2-O db/journals/scjapan/scjapan32.html#Tsukimoto01