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Expression of type InSet

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.logic import InSet
from proveit.numbers import Exp, Mult, Neg, Real, four, frac, one, subtract, two
from proveit.physics.quantum.QPE import _e_value
In [2]:
# build up the expression from sub-expressions
expr = InSet(subtract(Neg(frac(one, Mult(two, _e_value))), frac(one, Mult(four, Exp(_e_value, two)))), Real)
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())
\left(-\frac{1}{2 \cdot \left(2^{t - n} - 1\right)} - \frac{1}{4 \cdot \left(2^{t - n} - 1\right)^{2}}\right) \in \mathbb{R}
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.()()('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: 33
operands: 5
4Literal
5ExprTuple6, 7
6Operationoperator: 37
operand: 10
7Operationoperator: 37
operand: 11
8ExprTuple10
9ExprTuple11
10Operationoperator: 13
operands: 12
11Operationoperator: 13
operands: 14
12ExprTuple32, 15
13Literal
14ExprTuple32, 16
15Operationoperator: 18
operands: 17
16Operationoperator: 18
operands: 19
17ExprTuple30, 23
18Literal
19ExprTuple20, 21
20Literal
21Operationoperator: 27
operands: 22
22ExprTuple23, 30
23Operationoperator: 33
operands: 24
24ExprTuple25, 26
25Operationoperator: 27
operands: 28
26Operationoperator: 37
operand: 32
27Literal
28ExprTuple30, 31
29ExprTuple32
30Literal
31Operationoperator: 33
operands: 34
32Literal
33Literal
34ExprTuple35, 36
35Literal
36Operationoperator: 37
operand: 39
37Literal
38ExprTuple39
39Literal