(p?(¬r?q?¬q))?((r?t?¬r)?¬q)
Added by Abu M.
Step 1
This can be read as "if p and not r then q and not q, otherwise if r and not t then not r, otherwise not q." Let's break it down further: - "p and not r then q and not q" is a contradiction because q and not q cannot both be true at the same time. Show more…
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