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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 ExprRange, ExprTuple, Variable, t
from proveit.logic import And, Equals
from proveit.numbers import Add, Neg, one, two, zero
from proveit.physics.quantum.QPE import _s
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = Add(t, _s)
expr = ExprTuple(Equals(zero, zero), Equals(one, Add(zero, one)), And(ExprRange(sub_expr1, Equals(Add(sub_expr1, t), Add(Add(sub_expr1, Neg(one), t), one)), Add(Neg(t), two), zero)), Equals(sub_expr2, sub_expr2))
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 = 0, 1 = \left(0 + 1\right), \left(\left(\left(-t + 2\right) + t\right) = \left(\left(\left(-t + 2\right) - 1 + t\right) + 1\right)\right) \land  \left(\left(\left(-t + 3\right) + t\right) = \left(\left(\left(-t + 3\right) - 1 + t\right) + 1\right)\right) \land  \ldots \land  \left(\left(0 + t\right) = \left(\left(0 - 1 + t\right) + 1\right)\right), \left(t + s\right) = \left(t + s\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, 3, 4
1Operationoperator: 22
operands: 5
2Operationoperator: 22
operands: 6
3Operationoperator: 7
operands: 8
4Operationoperator: 22
operands: 9
5ExprTuple17, 17
6ExprTuple39, 10
7Literal
8ExprTuple11
9ExprTuple12, 12
10Operationoperator: 32
operands: 13
11ExprRangelambda_map: 14
start_index: 15
end_index: 17
12Operationoperator: 32
operands: 16
13ExprTuple17, 39
14Lambdaparameter: 34
body: 19
15Operationoperator: 32
operands: 20
16ExprTuple36, 21
17Literal
18ExprTuple34
19Operationoperator: 22
operands: 23
20ExprTuple24, 25
21Literal
22Literal
23ExprTuple26, 27
24Operationoperator: 37
operand: 36
25Literal
26Operationoperator: 32
operands: 29
27Operationoperator: 32
operands: 30
28ExprTuple36
29ExprTuple34, 36
30ExprTuple31, 39
31Operationoperator: 32
operands: 33
32Literal
33ExprTuple34, 35, 36
34Variable
35Operationoperator: 37
operand: 39
36Variable
37Literal
38ExprTuple39
39Literal