Why do we make the decisions that we do? Are they ever purely logical? Modern research is showing more and more that they aren't. Everything we decide is based on additional, often subconscious, psychological factors.
How is it that there are so many arguments in the gemara? If the logic of either side was so compelling then they wouldn't argue! The explanation is that each side has a logical basis and the argument is based on deeper, supra-logical factors, found deep in the psyche. So in the sefer תוקף התלמוד: