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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.logic import CartExp, InSet
from proveit.numbers import Complex, Exp, two
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(InSet(NumKet(k, n), CartExp(Complex, Exp(two, n))), 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\{\lvert k \rangle_{n} \in \mathbb{C}^{2^{n}} \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: 18
body: 3
2ExprTuple18
3Conditionalvalue: 4
condition: 5
4Operationoperator: 7
operands: 6
5Operationoperator: 7
operands: 8
6ExprTuple9, 10
7Literal
8ExprTuple18, 11
9Operationoperator: 12
operands: 13
10Operationoperator: 14
operands: 15
11Operationoperator: 16
operands: 17
12Literal
13ExprTuple18, 31
14Literal
15ExprTuple19, 24
16Literal
17ExprTuple20, 21
18Variable
19Literal
20Literal
21Operationoperator: 22
operands: 23
22Literal
23ExprTuple24, 25
24Operationoperator: 26
operands: 27
25Operationoperator: 28
operand: 32
26Literal
27ExprTuple30, 31
28Literal
29ExprTuple32
30Literal
31Variable
32Literal