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Expression of type Implies

from the theory of proveit.physics.quantum.QPE

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, ExprRange, Lambda, Variable, VertExprArray, l, m
from proveit.logic import And, Bijections, Implies, InSet
from proveit.numbers import Add, Interval, Mod, one
from proveit.physics.quantum import NumKet, Z, ket_plus
from proveit.physics.quantum.QPE import ModAdd, QPE, _Omega, _U, _b_floor, _full_domain, _ket_u, _m_domain, _phase_est_circuit, _s, _s_wire, _t, _two_pow_t
from proveit.physics.quantum.circuits import Gate, Input, Measure, MultiQubitElem, Output, Qcircuit
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = Add(_t, one)
sub_expr3 = Add(_t, _s)
sub_expr4 = Interval(sub_expr2, sub_expr3)
sub_expr5 = MultiQubitElem(element = Gate(operation = QPE(_U, _t), part = sub_expr1), targets = Interval(one, sub_expr3))
expr = Implies(And(InSet(Lambda(l, Mod(Add(_b_floor, l), _two_pow_t)), Bijections(_full_domain, _m_domain)), InSet(Lambda(m, _phase_est_circuit), Bijections(_m_domain, _Omega))), InSet(Lambda(l, Conditional(Qcircuit(vert_expr_array = VertExprArray([ExprRange(sub_expr1, Input(state = ket_plus), one, _t), ExprRange(sub_expr1, MultiQubitElem(element = Input(state = _ket_u, part = sub_expr1), targets = sub_expr4), one, _s)], [ExprRange(sub_expr1, sub_expr5, one, _t), ExprRange(sub_expr1, sub_expr5, sub_expr2, sub_expr3)], [ExprRange(sub_expr1, Measure(basis = Z), one, _t), _s_wire], [ExprRange(sub_expr1, MultiQubitElem(element = Output(state = NumKet(ModAdd(_b_floor, l), _t), part = sub_expr1), targets = Interval(one, _t)), one, _t), ExprRange(sub_expr1, MultiQubitElem(element = Output(state = _ket_u, part = sub_expr1), targets = sub_expr4), one, _s)])), InSet(l, _full_domain))), Bijections(_full_domain, _Omega))).with_wrapping_at(1)
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())
\begin{array}{c} \begin{array}{l} \left(\left(\left[l \mapsto \left(\left(b_{\textit{f}} + l\right) ~\textup{mod}~ 2^{t}\right)\right] \in \left[\{-2^{t - 1} + 1~\ldotp \ldotp~2^{t - 1}\} \xrightarrow[\text{onto}]{\text{1-to-1}} \{0~\ldotp \ldotp~2^{t} - 1\}\right]\right) \land \left(\left[m \mapsto \left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert + \rangle} & \multigate{4}{\textrm{QPE}\left(U, t\right)} & \meter & \multiqout{3}{\lvert m \rangle_{t}} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \meter & \ghostqout{\lvert m \rangle_{t}} \\
\qin{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} & \ghost{\textrm{QPE}\left(U, t\right)} & \measure{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} \qw & \ghostqout{\lvert m \rangle_{t}} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \meter & \ghostqout{\lvert m \rangle_{t}} \\
\qin{\lvert u \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & { /^{s} } \qw & \qout{\lvert u \rangle}
} \end{array}\right)\right] \in \left[\{0~\ldotp \ldotp~2^{t} - 1\} \xrightarrow[\text{onto}]{\text{1-to-1}} \Omega\right]\right)\right) \\  \Rightarrow \left(\left[l \mapsto \left\{\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert + \rangle} & \multigate{4}{\textrm{QPE}\left(U, t\right)} & \meter & \multiqout{3}{\lvert b_{\textit{f}} \oplus l \rangle_{t}} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \meter & \ghostqout{\lvert b_{\textit{f}} \oplus l \rangle_{t}} \\
\qin{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} & \ghost{\textrm{QPE}\left(U, t\right)} & \measure{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} \qw & \ghostqout{\lvert b_{\textit{f}} \oplus l \rangle_{t}} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \meter & \ghostqout{\lvert b_{\textit{f}} \oplus l \rangle_{t}} \\
\qin{\lvert u \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & { /^{s} } \qw & \qout{\lvert u \rangle}
} \end{array} \textrm{ if } l \in \{-2^{t - 1} + 1~\ldotp \ldotp~2^{t - 1}\}\right..\right] \in \left[\{-2^{t - 1} + 1~\ldotp \ldotp~2^{t - 1}\} \xrightarrow[\text{onto}]{\text{1-to-1}} \Omega\right]\right) \end{array} \end{array}
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
operation'infix' or 'function' style formattinginfixinfix
wrap_positionsposition(s) at which wrapping is to occur; '2 n - 1' is after the nth operand, '2 n' is after the nth operation.()(1)('with_wrapping_at', 'with_wrap_before_operator', 'with_wrap_after_operator', 'without_wrapping', 'wrap_positions')
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'centercenter('with_justification',)
directionDirection of the relation (normal or reversed)normalnormal('with_direction_reversed', 'is_reversed')
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 1
operands: 2
1Literal
2ExprTuple3, 4
3Operationoperator: 5
operands: 6
4Operationoperator: 30
operands: 7
5Literal
6ExprTuple8, 9
7ExprTuple10, 11
8Operationoperator: 30
operands: 12
9Operationoperator: 30
operands: 13
10Lambdaparameter: 147
body: 14
11Operationoperator: 27
operands: 15
12ExprTuple16, 17
13ExprTuple18, 19
14Conditionalvalue: 20
condition: 21
15ExprTuple39, 37
16Lambdaparameter: 147
body: 23
17Operationoperator: 27
operands: 24
18Lambdaparameter: 140
body: 26
19Operationoperator: 27
operands: 28
20Operationoperator: 34
operands: 29
21Operationoperator: 30
operands: 31
22ExprTuple147
23Operationoperator: 32
operands: 33
24ExprTuple39, 36
25ExprTuple140
26Operationoperator: 34
operands: 35
27Literal
28ExprTuple36, 37
29ExprTuple41, 42, 43, 38
30Literal
31ExprTuple147, 39
32Literal
33ExprTuple40, 78
34Literal
35ExprTuple41, 42, 43, 44
36Operationoperator: 115
operands: 45
37Literal
38ExprTuple46, 55
39Operationoperator: 115
operands: 47
40Operationoperator: 137
operands: 143
41ExprTuple48, 49
42ExprTuple50, 51
43ExprTuple52, 53
44ExprTuple54, 55
45ExprTuple56, 57
46ExprRangelambda_map: 58
start_index: 150
end_index: 144
47ExprTuple59, 104
48ExprRangelambda_map: 60
start_index: 150
end_index: 144
49ExprRangelambda_map: 61
start_index: 150
end_index: 141
50ExprRangelambda_map: 62
start_index: 150
end_index: 144
51ExprRangelambda_map: 62
start_index: 125
end_index: 126
52ExprRangelambda_map: 63
start_index: 150
end_index: 144
53ExprRangelambda_map: 64
start_index: 150
end_index: 141
54ExprRangelambda_map: 65
start_index: 150
end_index: 144
55ExprRangelambda_map: 66
start_index: 150
end_index: 141
56Literal
57Operationoperator: 137
operands: 67
58Lambdaparameter: 124
body: 68
59Operationoperator: 137
operands: 69
60Lambdaparameter: 124
body: 70
61Lambdaparameter: 124
body: 71
62Lambdaparameter: 124
body: 72
63Lambdaparameter: 124
body: 73
64Lambdaparameter: 124
body: 74
65Lambdaparameter: 124
body: 75
66Lambdaparameter: 124
body: 77
67ExprTuple78, 145
68Operationoperator: 88
operands: 79
69ExprTuple80, 150
70Operationoperator: 107
operands: 81
71Operationoperator: 88
operands: 82
72Operationoperator: 88
operands: 83
73Operationoperator: 84
operands: 85
74Operationoperator: 108
operands: 86
75Operationoperator: 88
operands: 87
76ExprTuple124
77Operationoperator: 88
operands: 89
78Operationoperator: 118
operands: 90
79NamedExprselement: 91
targets: 100
80Operationoperator: 148
operand: 104
81NamedExprsstate: 93
82NamedExprselement: 94
targets: 102
83NamedExprselement: 95
targets: 96
84Literal
85NamedExprsbasis: 97
86NamedExprsoperation: 98
87NamedExprselement: 99
targets: 100
88Literal
89NamedExprselement: 101
targets: 102
90ExprTuple128, 144
91Operationoperator: 113
operands: 103
92ExprTuple104
93Operationoperator: 105
operand: 120
94Operationoperator: 107
operands: 114
95Operationoperator: 108
operands: 109
96Operationoperator: 115
operands: 110
97Literal
98Literal
99Operationoperator: 113
operands: 111
100Operationoperator: 115
operands: 112
101Operationoperator: 113
operands: 114
102Operationoperator: 115
operands: 116
103NamedExprsstate: 117
part: 124
104Operationoperator: 118
operands: 119
105Literal
106ExprTuple120
107Literal
108Literal
109NamedExprsoperation: 121
part: 124
110ExprTuple150, 126
111NamedExprsstate: 122
part: 124
112ExprTuple150, 144
113Literal
114NamedExprsstate: 123
part: 124
115Literal
116ExprTuple125, 126
117Operationoperator: 132
operands: 127
118Literal
119ExprTuple128, 129
120Literal
121Operationoperator: 130
operands: 131
122Operationoperator: 132
operands: 133
123Literal
124Variable
125Operationoperator: 137
operands: 134
126Operationoperator: 137
operands: 135
127ExprTuple136, 144
128Literal
129Operationoperator: 137
operands: 138
130Literal
131ExprTuple139, 144
132Literal
133ExprTuple140, 144
134ExprTuple144, 150
135ExprTuple144, 141
136Operationoperator: 142
operands: 143
137Literal
138ExprTuple144, 145
139Literal
140Variable
141Literal
142Literal
143ExprTuple146, 147
144Literal
145Operationoperator: 148
operand: 150
146Literal
147Variable
148Literal
149ExprTuple150
150Literal