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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, Real, frac, one, two
from proveit.physics.quantum.QPE import _neg_domain
In [2]:
# build up the expression from sub-expressions
expr = Forall(instance_param_or_params = [l], instance_expr = InSet(frac(one, Exp(l, 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(\frac{1}{l^{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: 24
body: 5
4ExprTuple24
5Conditionalvalue: 6
condition: 7
6Operationoperator: 9
operands: 8
7Operationoperator: 9
operands: 10
8ExprTuple11, 12
9Literal
10ExprTuple24, 13
11Operationoperator: 14
operands: 15
12Literal
13Operationoperator: 16
operands: 17
14Literal
15ExprTuple41, 18
16Literal
17ExprTuple19, 20
18Operationoperator: 31
operands: 21
19Operationoperator: 35
operands: 22
20Operationoperator: 39
operand: 26
21ExprTuple24, 33
22ExprTuple25, 41
23ExprTuple26
24Variable
25Operationoperator: 39
operand: 29
26Operationoperator: 35
operands: 28
27ExprTuple29
28ExprTuple30, 41
29Operationoperator: 31
operands: 32
30Variable
31Literal
32ExprTuple33, 34
33Literal
34Operationoperator: 35
operands: 36
35Literal
36ExprTuple37, 38
37Literal
38Operationoperator: 39
operand: 41
39Literal
40ExprTuple41
41Literal