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Expression of type Conditional

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.
%load_expr # Load the stored expression as 'stored_expr'
# import Expression classes needed to build the expression
from proveit import Conditional, 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 And, Forall, Implies, InSet, NotEquals
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 = Conditional(Forall(instance_param_or_params = [A11_to_Akl, B11_to_Bkl], instance_expr = Implies(NotEquals(A11_to_Akl_varray, B11_to_Bkl_varray), NotEquals(circuit_Akl, circuit_Bkl)).with_wrapping_at(2)).with_wrapping(), And(InSet(k, NaturalPos), InSet(l, NaturalPos)))
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())
\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}{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) \neq \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) \Rightarrow  \\ \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) \neq \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) \end{array} \end{array}\right)\end{array} \textrm{ if } k \in \mathbb{N}^+ ,  l \in \mathbb{N}^+\right..
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
condition_delimiter'comma' or 'and'commacomma('with_comma_delimiter', 'with_conjunction_delimiter')
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Conditionalvalue: 1
condition: 2
1Operationoperator: 3
operand: 7
2Operationoperator: 5
operands: 6
3Literal
4ExprTuple7
5Literal
6ExprTuple8, 9
7Lambdaparameters: 10
body: 11
8Operationoperator: 13
operands: 12
9Operationoperator: 13
operands: 14
10ExprTuple15, 16
11Operationoperator: 17
operands: 18
12ExprTuple36, 19
13Literal
14ExprTuple45, 19
15ExprRangelambda_map: 20
start_index: 44
end_index: 36
16ExprRangelambda_map: 21
start_index: 44
end_index: 36
17Literal
18ExprTuple22, 23
19Literal
20Lambdaparameter: 52
body: 40
21Lambdaparameter: 52
body: 41
22Operationoperator: 25
operands: 24
23Operationoperator: 25
operands: 26
24ExprTuple29, 31
25Literal
26ExprTuple27, 28
27Operationoperator: 30
operands: 29
28Operationoperator: 30
operands: 31
29ExprTuple32
30Literal
31ExprTuple33
32ExprRangelambda_map: 34
start_index: 44
end_index: 36
33ExprRangelambda_map: 35
start_index: 44
end_index: 36
34Lambdaparameter: 52
body: 37
35Lambdaparameter: 52
body: 39
36Variable
37ExprTuple40
38ExprTuple52
39ExprTuple41
40ExprRangelambda_map: 42
start_index: 44
end_index: 45
41ExprRangelambda_map: 43
start_index: 44
end_index: 45
42Lambdaparameter: 53
body: 46
43Lambdaparameter: 53
body: 48
44Literal
45Variable
46IndexedVarvariable: 49
indices: 51
47ExprTuple53
48IndexedVarvariable: 50
indices: 51
49Variable
50Variable
51ExprTuple52, 53
52Variable
53Variable