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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, M, m, n, x
from proveit.linear_algebra import MatrixMult, MatrixSpace
from proveit.logic import And, CartExp, Equals, Forall, InSet
from proveit.numbers import Complex, NaturalPos
from proveit.physics.quantum import Qmult
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda([m, n], Conditional(Forall(instance_param_or_params = [M], instance_expr = Equals(Qmult(M), Lambda(x, Conditional(MatrixMult(M, x), InSet(x, CartExp(Complex, n))))), domain = MatrixSpace(field = Complex, rows = m, columns = n)), And(InSet(m, NaturalPos), 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(\left(m, n\right) \mapsto \left\{\forall_{M \in \mathbb{C}^{m \times n}}~\left(\left[M\right] = \left[x \mapsto \left\{M \thinspace x \textrm{ if } x \in \mathbb{C}^{n}\right..\right]\right) \textrm{ if } m \in \mathbb{N}^+ ,  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
1Lambdaparameters: 2
body: 3
2ExprTuple33, 44
3Conditionalvalue: 4
condition: 5
4Operationoperator: 6
operand: 10
5Operationoperator: 8
operands: 9
6Literal
7ExprTuple10
8Literal
9ExprTuple11, 12
10Lambdaparameter: 38
body: 13
11Operationoperator: 36
operands: 14
12Operationoperator: 36
operands: 15
13Conditionalvalue: 16
condition: 17
14ExprTuple33, 18
15ExprTuple44, 18
16Operationoperator: 19
operands: 20
17Operationoperator: 36
operands: 21
18Literal
19Literal
20ExprTuple22, 23
21ExprTuple38, 24
22Operationoperator: 25
operand: 38
23Lambdaparameter: 39
body: 28
24Operationoperator: 29
operands: 30
25Literal
26ExprTuple38
27ExprTuple39
28Conditionalvalue: 31
condition: 32
29Literal
30NamedExprsfield: 43
rows: 33
columns: 44
31Operationoperator: 34
operands: 35
32Operationoperator: 36
operands: 37
33Variable
34Literal
35ExprTuple38, 39
36Literal
37ExprTuple39, 40
38Variable
39Variable
40Operationoperator: 41
operands: 42
41Literal
42ExprTuple43, 44
43Literal
44Variable