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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
from proveit.numbers import Abs, Less, LessEq, Mod, frac, pi, two, zero
from proveit.physics.quantum.QPE import SubIndexed, _alpha, _b_round, _two_pow_t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = frac(two, pi)
expr = ExprTuple(LessEq(zero, sub_expr1), Less(sub_expr1, Abs(SubIndexed(_alpha, [Mod(_b_round, _two_pow_t)]))))
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(0 \leq \frac{2}{\pi}, \frac{2}{\pi} < \left|\alpha_{b_{\textit{r}} ~\textup{mod}~ 2^{t}}\right|\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, 2
1Operationoperator: 3
operands: 4
2Operationoperator: 5
operands: 6
3Literal
4ExprTuple7, 8
5Literal
6ExprTuple8, 9
7Literal
8Operationoperator: 10
operands: 11
9Operationoperator: 12
operand: 15
10Literal
11ExprTuple25, 14
12Literal
13ExprTuple15
14Literal
15Operationoperator: 16
operand: 18
16Literal
17ExprTuple18
18Operationoperator: 19
operands: 20
19Literal
20ExprTuple21, 22
21Literal
22Operationoperator: 23
operands: 24
23Literal
24ExprTuple25, 26
25Literal
26Literal