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Expression of type Less

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.numbers import Abs, Less, Mult, Neg, one, pi
from proveit.physics.quantum.QPE import _delta_b_round, _two_pow_t
In [2]:
# build up the expression from sub-expressions
expr = Less(Mult(pi, Abs(Mult(Neg(one), _delta_b_round))), Mult(pi, _two_pow_t, Abs(_delta_b_round)))
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(\pi \cdot \left|\left(-1\right) \cdot \delta_{b_{\textit{r}}}\right|\right) < \left(\pi \cdot 2^{t} \cdot \left|\delta_{b_{\textit{r}}}\right|\right)
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: 19
operands: 5
4Operationoperator: 19
operands: 6
5ExprTuple8, 7
6ExprTuple8, 9, 10
7Operationoperator: 14
operand: 16
8Literal
9Operationoperator: 12
operands: 13
10Operationoperator: 14
operand: 22
11ExprTuple16
12Literal
13ExprTuple17, 18
14Literal
15ExprTuple22
16Operationoperator: 19
operands: 20
17Literal
18Literal
19Literal
20ExprTuple21, 22
21Operationoperator: 23
operand: 27
22Operationoperator: 25
operand: 28
23Literal
24ExprTuple27
25Literal
26ExprTuple28
27Literal
28Literal