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 ExprRange, ExprTuple, Function, Q, Variable, j, k
from proveit.logic import And, Forall
from proveit.numbers import Interval
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = [sub_expr1]
sub_expr3 = Function(Q, sub_expr2)
expr = ExprTuple(Forall(instance_param_or_params = sub_expr2, instance_expr = sub_expr3, domain = Interval(j, k)), And(ExprRange(sub_expr1, sub_expr3, j, k)))
# 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()