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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, Forall, InSet
from proveit.numbers import Complex, Exp, NaturalPos, 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(n, Conditional(Forall(instance_param_or_params = [k], instance_expr = InSet(NumKet(k, n), CartExp(Complex, Exp(two, n))), domain = n_bit_interval), InSet(n, NaturalPos))))
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(n \mapsto \left\{\forall_{k \in \{0~\ldotp \ldotp~2^{n} - 1\}}~\left(\lvert k \rangle_{n} \in \mathbb{C}^{2^{n}}\right) \textrm{ if } n \in \mathbb{N}^+\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: 40
body: 3
2ExprTuple40
3Conditionalvalue: 4
condition: 5
4Operationoperator: 6
operand: 9
5Operationoperator: 16
operands: 8
6Literal
7ExprTuple9
8ExprTuple40, 10
9Lambdaparameter: 27
body: 12
10Literal
11ExprTuple27
12Conditionalvalue: 13
condition: 14
13Operationoperator: 16
operands: 15
14Operationoperator: 16
operands: 17
15ExprTuple18, 19
16Literal
17ExprTuple27, 20
18Operationoperator: 21
operands: 22
19Operationoperator: 23
operands: 24
20Operationoperator: 25
operands: 26
21Literal
22ExprTuple27, 40
23Literal
24ExprTuple28, 33
25Literal
26ExprTuple29, 30
27Variable
28Literal
29Literal
30Operationoperator: 31
operands: 32
31Literal
32ExprTuple33, 34
33Operationoperator: 35
operands: 36
34Operationoperator: 37
operand: 41
35Literal
36ExprTuple39, 40
37Literal
38ExprTuple41
39Literal
40Variable
41Literal