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 A, B, Conditional, ExprTuple, Lambda, S, k
from proveit.logic import Equals, Forall, InSet
from proveit.numbers import NaturalPos
from proveit.physics.quantum.circuits import Input, MultiQubitElem

# build up the expression from sub-expressions
expr = ExprTuple(Lambda(k, Conditional(Forall(instance_param_or_params = [A, B, S], instance_expr = Equals(Equals(MultiQubitElem(element = Input(state = A, part = k), targets = S), MultiQubitElem(element = Input(state = B, part = k), targets = S)), Equals(A, B))), InSet(k, NaturalPos))))

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(k \mapsto \left\{\forall_{A, B, S}~\left(\left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \qin{A~\mbox{part}~k~\mbox{on}~S} & \qw 
} \end{array} = \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \qin{B~\mbox{part}~k~\mbox{on}~S} & \qw 
} \end{array}\right) = \left(A = B\right)\right) \textrm{ if } k \in \mathbb{N}^+\right..\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	Lambda	parameter: 33 body: 3
2	ExprTuple	33
3	Conditional	value: 4 condition: 5
4	Operation	operator: 6 operand: 10
5	Operation	operator: 8 operands: 9
6	Literal
7	ExprTuple	10
8	Literal
9	ExprTuple	33, 11
10	Lambda	parameters: 12 body: 13
11	Literal
12	ExprTuple	31, 32, 27
13	Operation	operator: 18 operands: 14
14	ExprTuple	15, 16
15	Operation	operator: 18 operands: 17
16	Operation	operator: 18 operands: 19
17	ExprTuple	20, 21
18	Literal
19	ExprTuple	31, 32
20	Operation	operator: 23 operands: 22
21	Operation	operator: 23 operands: 24
22	NamedExprs	element: 25 targets: 27
23	Literal
24	NamedExprs	element: 26 targets: 27
25	Operation	operator: 29 operands: 28
26	Operation	operator: 29 operands: 30
27	Variable
28	NamedExprs	state: 31 part: 33
29	Literal
30	NamedExprs	state: 32 part: 33
31	Variable
32	Variable
33	Variable