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, Exp, Neg, frac, one, subtract, two

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

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{1}{2^{\frac{t + 1}{2} - \frac{t}{2}}}, 2^{-\frac{1}{2}}\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: 23 operands: 3
2	Operation	operator: 7 operands: 4
3	ExprTuple	25, 5
4	ExprTuple	27, 6
5	Operation	operator: 7 operands: 8
6	Operation	operator: 17 operand: 11
7	Literal
8	ExprTuple	27, 10
9	ExprTuple	11
10	Operation	operator: 21 operands: 12
11	Operation	operator: 23 operands: 13
12	ExprTuple	14, 15
13	ExprTuple	25, 27
14	Operation	operator: 23 operands: 16
15	Operation	operator: 17 operand: 20
16	ExprTuple	19, 27
17	Literal
18	ExprTuple	20
19	Operation	operator: 21 operands: 22
20	Operation	operator: 23 operands: 24
21	Literal
22	ExprTuple	26, 25
23	Literal
24	ExprTuple	26, 27
25	Literal
26	Variable
27	Literal