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 ExprRange, ExprTuple, Variable, t
from proveit.numbers import Add, Mult, Neg, one, two, zero
from proveit.physics.quantum.QPE import two_pow_t

# build up the expression from sub-expressions
expr = ExprTuple(Mult(ExprRange(Variable("_a", latex_format = r"{_{-}a}"), two, Add(Neg(t), one), zero)), two_pow_t)

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(2 \cdot  2 \cdot  ..\left(t - 3\right) \times.. \cdot  2, 2^{t}\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: 3 operands: 4
2	Operation	operator: 5 operands: 6
3	Literal
4	ExprTuple	7
5	Literal
6	ExprTuple	12, 20
7	ExprRange	lambda_map: 8 start_index: 9 end_index: 10
8	Lambda	parameter: 15 body: 12
9	Operation	operator: 13 operands: 14
10	Literal
11	ExprTuple	15
12	Literal
13	Literal
14	ExprTuple	16, 17
15	Variable
16	Operation	operator: 18 operand: 20
17	Literal
18	Literal
19	ExprTuple	20
20	Variable