# Theory of proveit.core_expr_types.expr_arrays¶

Theory related to ExprArray types of Prove-It expressions. An ExprArray is a tuple of tuples representing a two-dimensional grid of expressions.

In [1]:
import proveit
%theory # toggles between interactive and static modes


### Local content of this theory

common expressions axioms theorems demonstrations

### All axioms contained within this theory

This theory contains no axioms directly.