Expression of type ExprTuple

from the theory of proveit.physics.quantum.QPE

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, t
from proveit.numbers import Add, Mult, frac, one, subtract, two

# build up the expression from sub-expressions
sub_expr1 = frac(one, two)
sub_expr2 = Mult(sub_expr1, t)
expr = ExprTuple(subtract(frac(Add(t, one), two), frac(t, two)), subtract(Add(sub_expr2, 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(\frac{t + 1}{2} - \frac{t}{2}, \left(\left(\frac{1}{2} \cdot t\right) + \frac{1}{2}\right) - \left(\frac{1}{2} \cdot t\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: 17 operands: 3
2	Operation	operator: 17 operands: 4
3	ExprTuple	5, 6
4	ExprTuple	7, 8
5	Operation	operator: 24 operands: 9
6	Operation	operator: 12 operand: 15
7	Operation	operator: 17 operands: 11
8	Operation	operator: 12 operand: 16
9	ExprTuple	14, 27
10	ExprTuple	15
11	ExprTuple	16, 22
12	Literal
13	ExprTuple	16
14	Operation	operator: 17 operands: 18
15	Operation	operator: 24 operands: 19
16	Operation	operator: 20 operands: 21
17	Literal
18	ExprTuple	23, 26
19	ExprTuple	23, 27
20	Literal
21	ExprTuple	22, 23
22	Operation	operator: 24 operands: 25
23	Variable
24	Literal
25	ExprTuple	26, 27
26	Literal
27	Literal