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Expression of type Forall

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 Variable, t
from proveit.linear_algebra import MatrixExp, Unitary
from proveit.logic import Forall, InSet
from proveit.numbers import Add, Exp, Interval, Neg, one, two, zero
from proveit.physics.quantum.QPE import _U, _s
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
expr = Forall(instance_param_or_params = [sub_expr1], instance_expr = InSet(MatrixExp(_U, Exp(two, Neg(sub_expr1))), Unitary(Exp(two, _s))), domain = Interval(Add(Neg(t), one), zero))
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_{{_{-}a} \in \{-t + 1~\ldotp \ldotp~0\}}~\left(U^{2^{-{_{-}a}}} \in \textrm{U}\left(2^{s}\right)\right)
In [5]:
stored_expr.style_options()
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()
 core typesub-expressionsexpression
0Operationoperator: 1
operand: 3
1Literal
2ExprTuple3
3Lambdaparameter: 37
body: 4
4Conditionalvalue: 5
condition: 6
5Operationoperator: 8
operands: 7
6Operationoperator: 8
operands: 9
7ExprTuple10, 11
8Literal
9ExprTuple37, 12
10Operationoperator: 13
operands: 14
11Operationoperator: 15
operand: 21
12Operationoperator: 17
operands: 18
13Literal
14ExprTuple19, 20
15Literal
16ExprTuple21
17Literal
18ExprTuple22, 23
19Literal
20Operationoperator: 25
operands: 24
21Operationoperator: 25
operands: 26
22Operationoperator: 27
operands: 28
23Literal
24ExprTuple30, 29
25Literal
26ExprTuple30, 31
27Literal
28ExprTuple32, 33
29Operationoperator: 35
operand: 37
30Literal
31Literal
32Operationoperator: 35
operand: 38
33Literal
34ExprTuple37
35Literal
36ExprTuple38
37Variable
38Variable