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Expression of type Conditional

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, k, n
from proveit.linear_algebra import LinMap
from proveit.logic import CartExp, Forall, InSet
from proveit.numbers import Complex, Exp, NaturalPos, two
from proveit.physics.quantum import NumBra
from proveit.physics.quantum.algebra import n_bit_interval
In [2]:
# build up the expression from sub-expressions
expr = Conditional(Forall(instance_param_or_params = [k], instance_expr = InSet(NumBra(k, n), LinMap(CartExp(Complex, Exp(two, n)), Complex)), 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\{\forall_{k \in \{0~\ldotp \ldotp~2^{n} - 1\}}~\left({_{n}}\langle k \rvert \in \mathcal{L}\left(\mathbb{C}^{2^{n}}, \mathbb{C}\right)\right) \textrm{ if } n \in \mathbb{N}^+\right..
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
condition_delimiter'comma' or 'and'commacomma('with_comma_delimiter', 'with_conjunction_delimiter')
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Conditionalvalue: 1
condition: 2
1Operationoperator: 3
operand: 6
2Operationoperator: 13
operands: 5
3Literal
4ExprTuple6
5ExprTuple40, 7
6Lambdaparameter: 24
body: 9
7Literal
8ExprTuple24
9Conditionalvalue: 10
condition: 11
10Operationoperator: 13
operands: 12
11Operationoperator: 13
operands: 14
12ExprTuple15, 16
13Literal
14ExprTuple24, 17
15Operationoperator: 18
operands: 19
16Operationoperator: 20
operands: 21
17Operationoperator: 22
operands: 23
18Literal
19ExprTuple24, 40
20Literal
21ExprTuple25, 32
22Literal
23ExprTuple26, 27
24Variable
25Operationoperator: 28
operands: 29
26Literal
27Operationoperator: 30
operands: 31
28Literal
29ExprTuple32, 33
30Literal
31ExprTuple33, 34
32Literal
33Operationoperator: 35
operands: 36
34Operationoperator: 37
operand: 41
35Literal
36ExprTuple39, 40
37Literal
38ExprTuple41
39Literal
40Variable
41Literal