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 = frac(pi, two)
sub_expr2 = Add(Neg(theta), sub_expr1)
expr = ExprTuple(Add(Neg(sub_expr1), sub_expr2), Add(Neg(Mult(frac(one, two), pi)), 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(-\frac{\pi}{2} + \left(-\theta + \frac{\pi}{2}\right), -\left(\frac{1}{2} \cdot \pi\right) + \left(-\theta + \frac{\pi}{2}\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: 10 operands: 3
2	Operation	operator: 10 operands: 4
3	ExprTuple	5, 7
4	ExprTuple	6, 7
5	Operation	operator: 17 operand: 14
6	Operation	operator: 17 operand: 12
7	Operation	operator: 10 operands: 11
8	ExprTuple	14
9	ExprTuple	12
10	Literal
11	ExprTuple	13, 14
12	Operation	operator: 15 operands: 16
13	Operation	operator: 17 operand: 21
14	Operation	operator: 23 operands: 19
15	Literal
16	ExprTuple	20, 22
17	Literal
18	ExprTuple	21
19	ExprTuple	22, 26
20	Operation	operator: 23 operands: 24
21	Variable
22	Literal
23	Literal
24	ExprTuple	25, 26
25	Literal
26	Literal