on 12/7/2011 11:50 AM
I found some more time to study Coq. One place where I stumble very frequently is case analysis of value-indexed inductive types. There are often cases that lead to contradiction. Other cases intuitively imply some variables to be equal. Vanilla match constructs gives you no help, leaving you stranded. In proof mode, inversion tactic helps a lot. However, generated proofs are huge and hard to navigate. Another option is to use dependent pattern matching directly (which is what inversion generates for[...]
>> Read the full article on t0yv0.blogspot.com
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