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Expression of type ExprTuple

from the theory of proveit.physics.quantum.algebra

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 Conditional, ExprTuple, Lambda, k, n
from proveit.linear_algebra import Norm
from proveit.logic import Equals, InSet
from proveit.numbers import one
from proveit.physics.quantum import NumKet
from proveit.physics.quantum.algebra import n_bit_interval
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda(k, Conditional(Equals(Norm(NumKet(k, n)), one), InSet(k, n_bit_interval))))
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(k \mapsto \left\{\left \|\lvert k \rangle_{n}\right \| = 1 \textrm{ if } k \in \{0~\ldotp \ldotp~2^{n} - 1\}\right..\right)
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1
1Lambdaparameter: 23
body: 3
2ExprTuple23
3Conditionalvalue: 4
condition: 5
4Operationoperator: 6
operands: 7
5Operationoperator: 8
operands: 9
6Literal
7ExprTuple10, 32
8Literal
9ExprTuple23, 11
10Operationoperator: 12
operand: 16
11Operationoperator: 14
operands: 15
12Literal
13ExprTuple16
14Literal
15ExprTuple17, 18
16Operationoperator: 19
operands: 20
17Literal
18Operationoperator: 21
operands: 22
19Literal
20ExprTuple23, 31
21Literal
22ExprTuple24, 25
23Variable
24Operationoperator: 26
operands: 27
25Operationoperator: 28
operand: 32
26Literal
27ExprTuple30, 31
28Literal
29ExprTuple32
30Literal
31Variable
32Literal