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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, l
from proveit.logic import And, InSet
from proveit.numbers import ModAbs, greater
from proveit.physics.quantum.QPE import _e_domain, _full_domain, _two_pow_t
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(InSet(e, _e_domain), And(InSet(l, _full_domain), greater(ModAbs(l, _two_pow_t), e)))
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(e \in \{1~\ldotp \ldotp~2^{t - 1} - 2\}, \left(l \in \{-2^{t - 1} + 1~\ldotp \ldotp~2^{t - 1}\}\right) \land \left(\left|l\right|_{\textup{mod}\thinspace 2^{t}} > e\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: 10
operands: 3
2Operationoperator: 4
operands: 5
3ExprTuple16, 6
4Literal
5ExprTuple7, 8
6Operationoperator: 19
operands: 9
7Operationoperator: 10
operands: 11
8Operationoperator: 12
operands: 13
9ExprTuple43, 14
10Literal
11ExprTuple25, 15
12Literal
13ExprTuple16, 17
14Operationoperator: 37
operands: 18
15Operationoperator: 19
operands: 20
16Variable
17Operationoperator: 21
operands: 22
18ExprTuple32, 23
19Literal
20ExprTuple24, 32
21Literal
22ExprTuple25, 26
23Operationoperator: 41
operand: 35
24Operationoperator: 37
operands: 28
25Variable
26Operationoperator: 33
operands: 29
27ExprTuple35
28ExprTuple30, 43
29ExprTuple35, 39
30Operationoperator: 41
operand: 32
31ExprTuple32
32Operationoperator: 33
operands: 34
33Literal
34ExprTuple35, 36
35Literal
36Operationoperator: 37
operands: 38
37Literal
38ExprTuple39, 40
39Literal
40Operationoperator: 41
operand: 43
41Literal
42ExprTuple43
43Literal