from the theory of proveit.physics.quantum.circuits¶

In [1]:
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.
# import Expression classes needed to build the expression
from proveit import k, l
from proveit.core_expr_types.expr_arrays import A11_to_Akl, A11_to_Akl_varray, B11_to_Bkl, B11_to_Bkl_varray
from proveit.logic import Equals, Forall
from proveit.numbers import NaturalPos
from proveit.physics.quantum.circuits import circuit_Akl, circuit_Bkl

In [2]:
# build up the expression from sub-expressions
expr = Forall(instance_param_or_params = [k, l], instance_expr = Forall(instance_param_or_params = [A11_to_Akl, B11_to_Bkl], instance_expr = Equals(Equals(circuit_Akl, circuit_Bkl), Equals(A11_to_Akl_varray, B11_to_Bkl_varray)).with_wrapping_at(2)).with_wrapping(), domain = NaturalPos)

Out[2]:
expr:
In [3]:
# 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

In [4]:
# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())

\forall_{k, l \in \mathbb{N}^+}~\left[\begin{array}{l}\forall_{A_{1, 1}, A_{1, 2}, \ldots, A_{1, l}, A_{2, 1}, A_{2, 2}, \ldots, A_{2, l}, \ldots\ldots, A_{k, 1}, A_{k, 2}, \ldots, A_{k, l}, B_{1, 1}, B_{1, 2}, \ldots, B_{1, l}, B_{2, 1}, B_{2, 2}, \ldots, B_{2, l}, \ldots\ldots, B_{k, 1}, B_{k, 2}, \ldots, B_{k, l}}~\\
\left(\begin{array}{c} \begin{array}{l} \left(\left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \gate{A_{1, 1}} \qwx[1] & \gate{A_{2, 1}} \qwx[1] & \gate{\cdots} \qwx[1] & \gate{A_{k, 1}} \qwx[1] & \qw \\
& \gate{A_{1, 2}} \qwx[1] & \gate{A_{2, 2}} \qwx[1] & \gate{\cdots} \qwx[1] & \gate{A_{k, 2}} \qwx[1] & \qw \\
& \gate{\vdots} \qwx[1] & \gate{\vdots} \qwx[1] & \gate{\ddots} \qwx[1] & \gate{\vdots} \qwx[1] & \qw \\
& \gate{A_{1, l}} & \gate{A_{2, l}} & \gate{\cdots} & \gate{A_{k, l}} & \qw
} \end{array}\right) = \left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \gate{B_{1, 1}} \qwx[1] & \gate{B_{2, 1}} \qwx[1] & \gate{\cdots} \qwx[1] & \gate{B_{k, 1}} \qwx[1] & \qw \\
& \gate{B_{1, 2}} \qwx[1] & \gate{B_{2, 2}} \qwx[1] & \gate{\cdots} \qwx[1] & \gate{B_{k, 2}} \qwx[1] & \qw \\
& \gate{\vdots} \qwx[1] & \gate{\vdots} \qwx[1] & \gate{\ddots} \qwx[1] & \gate{\vdots} \qwx[1] & \qw \\
& \gate{B_{1, l}} & \gate{B_{2, l}} & \gate{\cdots} & \gate{B_{k, l}} & \qw
} \end{array}\right)\right) =  \\ \left(\left(\begin{array}{cccc}
A_{1, 1} & A_{2, 1} & \cdots & A_{k, 1} \\
A_{1, 2} & A_{2, 2} & \cdots & A_{k, 2} \\
\vdots & \vdots & \ddots & \vdots \\
A_{1, l} & A_{2, l} & \cdots & A_{k, l} \\
\end{array}
\right) = \left(\begin{array}{cccc}
B_{1, 1} & B_{2, 1} & \cdots & B_{k, 1} \\
B_{1, 2} & B_{2, 2} & \cdots & B_{k, 2} \\
\vdots & \vdots & \ddots & \vdots \\
B_{1, l} & B_{2, l} & \cdots & B_{k, l} \\
\end{array}
\right)\right) \end{array} \end{array}\right)\end{array}\right]

In [5]:
stored_expr.style_options()

Out[5]:
namedescriptiondefaultcurrent valuerelated methods
with_wrappingIf 'True', wrap the Expression after the parametersNoneNone/False('with_wrapping',)
condition_wrappingWrap 'before' or 'after' the condition (or None).NoneNone/False('with_wrap_after_condition', 'with_wrap_before_condition')
wrap_paramsIf 'True', wraps every two parameters AND wraps the Expression after the parametersNoneNone/False('with_params',)
justificationjustify to the 'left', 'center', or 'right' in the array cellscentercenter('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()

Out[6]:
core typesub-expressionsexpression
0Operationoperator: 7
operand: 2
1ExprTuple2
2Lambdaparameters: 3
body: 4
3ExprTuple39, 48
4Conditionalvalue: 5
condition: 6
5Operationoperator: 7
operand: 11
6Operationoperator: 9
operands: 10
7Literal
8ExprTuple11
9Literal
10ExprTuple12, 13
11Lambdaparameters: 14
body: 15
12Operationoperator: 17
operands: 16
13Operationoperator: 17
operands: 18
14ExprTuple19, 20
15Operationoperator: 28
operands: 21
16ExprTuple39, 22
17Literal
18ExprTuple48, 22
19ExprRangelambda_map: 23
start_index: 47
end_index: 39
20ExprRangelambda_map: 24
start_index: 47
end_index: 39
21ExprTuple25, 26
22Literal
23Lambdaparameter: 55
body: 43
24Lambdaparameter: 55
body: 44
25Operationoperator: 28
operands: 27
26Operationoperator: 28
operands: 29
27ExprTuple30, 31
28Literal
29ExprTuple32, 34
30Operationoperator: 33
operands: 32
31Operationoperator: 33
operands: 34
32ExprTuple35
33Literal
34ExprTuple36
35ExprRangelambda_map: 37
start_index: 47
end_index: 39
36ExprRangelambda_map: 38
start_index: 47
end_index: 39
37Lambdaparameter: 55
body: 40
38Lambdaparameter: 55
body: 42
39Variable
40ExprTuple43
41ExprTuple55
42ExprTuple44
43ExprRangelambda_map: 45
start_index: 47
end_index: 48
44ExprRangelambda_map: 46
start_index: 47
end_index: 48
45Lambdaparameter: 56
body: 49
46Lambdaparameter: 56
body: 51
47Literal
48Variable
49IndexedVarvariable: 52
indices: 54
50ExprTuple56
51IndexedVarvariable: 53
indices: 54
52Variable
53Variable
54ExprTuple55, 56
55Variable
56Variable