importproveit# Prepare this notebook for defining the common expressions of a theory:%common_expressions_notebook # Keep this at the top following 'import proveit'.
# from ... import ...
Defining common sub-expressions for theory 'proveit.linear_algebra.matrices.multiplication'
Subsequent end-of-cell assignments will define common sub-expressions
%end_common will finalize the definitions
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Theory proveit.linear_algebra.matrices.multiplication has no common expressions