Expression of type ExprTuple

from the theory of proveit.physics.quantum.circuits

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
from proveit.physics.quantum.circuits import unitary_gate_op

# build up the expression from sub-expressions
expr = ExprTuple(unitary_gate_op)

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(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert \psi \rangle} & \gate{U} & \qout{U \thinspace \lvert \psi \rangle}
} \end{array}\right)

stored_expr.style_options()

no style options

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	ExprTuple	1
1	Operation	operator: 2 operands: 3
2	Literal
3	ExprTuple	4, 5, 6
4	ExprTuple	7
5	ExprTuple	8
6	ExprTuple	9
7	ExprRange	lambda_map: 10 start_index: 35 end_index: 36
8	ExprRange	lambda_map: 11 start_index: 35 end_index: 36
9	ExprRange	lambda_map: 12 start_index: 35 end_index: 36
10	Lambda	parameter: 34 body: 13
11	Lambda	parameter: 34 body: 14
12	Lambda	parameter: 34 body: 16
13	Operation	operator: 19 operands: 17
14	Operation	operator: 19 operands: 18
15	ExprTuple	34
16	Operation	operator: 19 operands: 20
17	NamedExprs	element: 21 targets: 24
18	NamedExprs	element: 22 targets: 24
19	Literal
20	NamedExprs	element: 23 targets: 24
21	Operation	operator: 25 operands: 26
22	Operation	operator: 27 operands: 28
23	Operation	operator: 29 operands: 30
24	Operation	operator: 31 operands: 32
25	Literal
26	NamedExprs	state: 40 part: 34
27	Literal
28	NamedExprs	operation: 39 part: 34
29	Literal
30	NamedExprs	state: 33 part: 34
31	Literal
32	ExprTuple	35, 36
33	Operation	operator: 37 operands: 38
34	Variable
35	Literal
36	Variable
37	Literal
38	ExprTuple	39, 40
39	Variable
40	Variable