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, Neg, one, two, zero

# build up the expression from sub-expressions
sub_expr1 = Add(one, Neg(one), one)
expr = ExprTuple(sub_expr1, Add(zero, Neg(Add(Neg(t), two)), one), sub_expr1)

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(1 - 1 + 1, 0 - \left(-t + 2\right) + 1, 1 - 1 + 1\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	2, 1, 2
1	Operation	operator: 12 operands: 3
2	Operation	operator: 12 operands: 4
3	ExprTuple	5, 6, 11
4	ExprTuple	11, 7, 11
5	Literal
6	Operation	operator: 16 operand: 10
7	Operation	operator: 16 operand: 11
8	ExprTuple	10
9	ExprTuple	11
10	Operation	operator: 12 operands: 13
11	Literal
12	Literal
13	ExprTuple	14, 15
14	Operation	operator: 16 operand: 18
15	Literal
16	Literal
17	ExprTuple	18
18	Variable