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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 l
from proveit.logic import Forall, InSet
from proveit.numbers import Abs, Exp, Real, two
from proveit.physics.quantum.QPE import _neg_domain, _rel_indexed_alpha
In [2]:
# build up the expression from sub-expressions
expr = Forall(instance_param_or_params = [l], instance_expr = InSet(Exp(Abs(_rel_indexed_alpha), two), Real), domain = _neg_domain)
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_{l \in \{-2^{t - 1} + 1~\ldotp \ldotp~-\left(e + 1\right)\}}~\left(\left|\alpha_{b_{\textit{f}} \oplus l}\right|^{2} \in \mathbb{R}\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: 39
body: 5
4ExprTuple39
5Conditionalvalue: 6
condition: 7
6Operationoperator: 9
operands: 8
7Operationoperator: 9
operands: 10
8ExprTuple11, 12
9Literal
10ExprTuple39, 13
11Operationoperator: 36
operands: 14
12Literal
13Operationoperator: 15
operands: 16
14ExprTuple17, 40
15Literal
16ExprTuple18, 19
17Operationoperator: 20
operand: 24
18Operationoperator: 42
operands: 22
19Operationoperator: 46
operand: 26
20Literal
21ExprTuple24
22ExprTuple25, 48
23ExprTuple26
24Operationoperator: 27
operand: 31
25Operationoperator: 46
operand: 32
26Operationoperator: 42
operands: 30
27Literal
28ExprTuple31
29ExprTuple32
30ExprTuple33, 48
31Operationoperator: 34
operands: 35
32Operationoperator: 36
operands: 37
33Variable
34Literal
35ExprTuple38, 39
36Literal
37ExprTuple40, 41
38Literal
39Variable
40Literal
41Operationoperator: 42
operands: 43
42Literal
43ExprTuple44, 45
44Literal
45Operationoperator: 46
operand: 48
46Literal
47ExprTuple48
48Literal