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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 Exp, Mult, Real, four, frac, one, two
from proveit.physics.quantum.QPE import _diff_l_scaled_delta_floor, _pos_domain
In [2]:
# build up the expression from sub-expressions
expr = Forall(instance_param_or_params = [l], instance_expr = InSet(frac(one, Mult(four, Exp(_diff_l_scaled_delta_floor, two))), Real), domain = _pos_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 \{e + 1~\ldotp \ldotp~2^{t - 1}\}}~\left(\frac{1}{4 \cdot \left(l - \left(2^{t} \cdot \delta_{b_{\textit{f}}}\right)\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: 35
body: 5
4ExprTuple35
5Conditionalvalue: 6
condition: 7
6Operationoperator: 9
operands: 8
7Operationoperator: 9
operands: 10
8ExprTuple11, 12
9Literal
10ExprTuple35, 13
11Operationoperator: 14
operands: 15
12Literal
13Operationoperator: 16
operands: 17
14Literal
15ExprTuple37, 18
16Literal
17ExprTuple19, 20
18Operationoperator: 41
operands: 21
19Operationoperator: 32
operands: 22
20Operationoperator: 45
operands: 23
21ExprTuple24, 25
22ExprTuple26, 37
23ExprTuple49, 27
24Literal
25Operationoperator: 45
operands: 28
26Variable
27Operationoperator: 32
operands: 29
28ExprTuple30, 49
29ExprTuple50, 31
30Operationoperator: 32
operands: 33
31Operationoperator: 38
operand: 37
32Literal
33ExprTuple35, 36
34ExprTuple37
35Variable
36Operationoperator: 38
operand: 40
37Literal
38Literal
39ExprTuple40
40Operationoperator: 41
operands: 42
41Literal
42ExprTuple43, 44
43Operationoperator: 45
operands: 46
44Operationoperator: 47
operand: 51
45Literal
46ExprTuple49, 50
47Literal
48ExprTuple51
49Literal
50Literal
51Literal