import proveit
# Automation is not needed when building an expression:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%load_expr # Load the stored expression as 'stored_expr'
# import Expression classes needed to build the expression
from proveit import ExprTuple, v, w, x, y, z
from proveit.linear_algebra import TensorProd, VecAdd
from proveit.logic import CartExp, Equals, InSet
from proveit.numbers import Real, three
# build up the expression from sub-expressions
sub_expr1 = TensorProd(y, z)
sub_expr2 = TensorProd(y, w)
sub_expr3 = TensorProd(y, v)
sub_expr4 = CartExp(Real, three)
sub_expr5 = TensorProd(x, VecAdd(sub_expr1, sub_expr2, sub_expr3))
expr = ExprTuple(InSet(sub_expr5, TensorProd(sub_expr4, TensorProd(sub_expr4, sub_expr4))), Equals(VecAdd(TensorProd(x, sub_expr1), TensorProd(x, sub_expr2), TensorProd(x, sub_expr3)), sub_expr5).with_wrapping_at(2))
# check that the built expression is the same as the stored expression
assert expr == stored_expr
assert expr._style_id == stored_expr._style_id
print("Passed sanity check: expr matches stored_expr")
# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())
stored_expr.style_options()
# display the expression information
stored_expr.expr_info()