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* Prod.thy now has the correct definitional equality structure rule. ↵Josh Chen2018-08-161-1/+1
| | | | Definition of function composition and properties.
* Well-formation rules are back in the methods; new theory synthesizing the ↵Josh Chen2018-08-141-0/+5
| | | | natural number predecessor function.
* Equality inverse and composition done. Cleaned up methods and method example ↵Josh Chen2018-08-141-1/+1
| | | | theory.
* rcompose doneJosh Chen2018-08-131-0/+1
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* Old application syntax incompatible with EisbachJosh Chen2018-08-071-15/+15
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* Partway through changing function application syntax style.Josh Chen2018-08-061-0/+49