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Expression of type ExprTuple

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 ExprTuple, e, m
from proveit.numbers import LessEq, ModAbs, subtract
from proveit.physics.quantum.QPE import _b_floor, _two_pow_t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = LessEq(ModAbs(subtract(m, _b_floor), _two_pow_t), e)
expr = ExprTuple(sub_expr1, sub_expr1)
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(\left|m - b_{\textit{f}}\right|_{\textup{mod}\thinspace 2^{t}} \leq e, \left|m - b_{\textit{f}}\right|_{\textup{mod}\thinspace 2^{t}} \leq e\right)
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
wrap_positionsposition(s) at which wrapping is to occur; 'n' is after the nth comma.()()('with_wrapping_at',)
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'leftleft('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1, 1
1Operationoperator: 2
operands: 3
2Literal
3ExprTuple4, 5
4Operationoperator: 6
operands: 7
5Variable
6Literal
7ExprTuple8, 9
8Operationoperator: 10
operands: 11
9Operationoperator: 12
operands: 13
10Literal
11ExprTuple14, 15
12Literal
13ExprTuple16, 17
14Variable
15Operationoperator: 18
operand: 20
16Literal
17Literal
18Literal
19ExprTuple20
20Literal