Expression of type ExprTuple

from the theory of proveit.trigonometry

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, theta
from proveit.numbers import Add, Mult, Neg, frac, one, pi, two

# build up the expression from sub-expressions
sub_expr1 = Neg(theta)
sub_expr2 = Mult(frac(one, two), pi)
sub_expr3 = Neg(sub_expr2)
expr = ExprTuple(Add(sub_expr3, Add(sub_expr1, sub_expr2)), Add(sub_expr3, sub_expr1, sub_expr2))

expr:

# 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")

Passed sanity check: expr matches stored_expr

# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())

\left(-\left(\frac{1}{2} \cdot \pi\right) + \left(-\theta + \left(\frac{1}{2} \cdot \pi\right)\right), -\left(\frac{1}{2} \cdot \pi\right) - \theta + \left(\frac{1}{2} \cdot \pi\right)\right)

stored_expr.style_options()

name	description	default	current value	related methods
wrap_positions	position(s) at which wrapping is to occur; 'n' is after the nth comma.	()	()	('with_wrapping_at',)
justification	if any wrap positions are set, justify to the 'left', 'center', or 'right'	left	left	('with_justification',)

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	ExprTuple	1, 2
1	Operation	operator: 7 operands: 3
2	Operation	operator: 7 operands: 4
3	ExprTuple	6, 5
4	ExprTuple	6, 10, 11
5	Operation	operator: 7 operands: 8
6	Operation	operator: 12 operand: 11
7	Literal
8	ExprTuple	10, 11
9	ExprTuple	11
10	Operation	operator: 12 operand: 16
11	Operation	operator: 14 operands: 15
12	Literal
13	ExprTuple	16
14	Literal
15	ExprTuple	17, 18
16	Variable
17	Operation	operator: 19 operands: 20
18	Literal
19	Literal
20	ExprTuple	21, 22
21	Literal
22	Literal