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 circuit_Ui_psi_m

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

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{
& \gate{\begin{array}{c} \uparrow \\U_{1} \\ \downarrow\end{array}} & \gate{\begin{array}{c} \uparrow \\\cdots \\ \downarrow\end{array}} & \gate{\begin{array}{c} \uparrow \\U_{i} \\ \downarrow\end{array}} & \qout{\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
4	ExprRange	lambda_map: 6 start_index: 24 end_index: 7
5	ExprTuple	8
6	Lambda	parameter: 23 body: 9
7	Variable
8	ExprRange	lambda_map: 10 start_index: 24 end_index: 25
9	IndexedVar	variable: 11 index: 23
10	Lambda	parameter: 23 body: 13
11	Variable
12	ExprTuple	23
13	Operation	operator: 14 operands: 15
14	Literal
15	NamedExprs	element: 16 targets: 17
16	Operation	operator: 18 operands: 19
17	Operation	operator: 20 operands: 21
18	Literal
19	NamedExprs	state: 22 part: 23
20	Literal
21	ExprTuple	24, 25
22	Variable
23	Variable
24	Literal
25	Variable