logo

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 A, B, Conditional, ExprTuple, Lambda, X, Y
from proveit.linear_algebra import HilbertSpaces, Hspace, LinMap
from proveit.logic import And, Forall, InClass, InSet
from proveit.physics.quantum import Qmult, QmultCodomain
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda([Hspace, X, Y], Conditional(Forall(instance_param_or_params = [A, B], instance_expr = InClass(Qmult(A, B), QmultCodomain), conditions = [InSet(Qmult(A), LinMap(X, Y)), InSet(Qmult(B), LinMap(Hspace, X))]), And(InClass(Hspace, HilbertSpaces), InClass(X, HilbertSpaces), InClass(Y, HilbertSpaces)))))
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(\mathcal{H}, X, Y\right) \mapsto \left\{\forall_{A, B~|~\left[A\right] \in \mathcal{L}\left(X, Y\right), \left[B\right] \in \mathcal{L}\left(\mathcal{H}, X\right)}~\left(\left(A \thinspace B\right) \underset{{\scriptscriptstyle c}}{\in} \mathcal{Q^*}\right) \textrm{ if } \mathcal{H} \underset{{\scriptscriptstyle c}}{\in} \textrm{HilbertSpaces} ,  X \underset{{\scriptscriptstyle c}}{\in} \textrm{HilbertSpaces} ,  Y \underset{{\scriptscriptstyle c}}{\in} \textrm{HilbertSpaces}\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
2ExprTuple45, 46, 43
3Conditionalvalue: 4
condition: 5
4Operationoperator: 6
operand: 9
5Operationoperator: 22
operands: 8
6Literal
7ExprTuple9
8ExprTuple10, 11, 12
9Lambdaparameters: 28
body: 13
10Operationoperator: 20
operands: 14
11Operationoperator: 20
operands: 15
12Operationoperator: 20
operands: 16
13Conditionalvalue: 17
condition: 18
14ExprTuple45, 19
15ExprTuple46, 19
16ExprTuple43, 19
17Operationoperator: 20
operands: 21
18Operationoperator: 22
operands: 23
19Literal
20Literal
21ExprTuple24, 25
22Literal
23ExprTuple26, 27
24Operationoperator: 38
operands: 28
25Literal
26Operationoperator: 30
operands: 29
27Operationoperator: 30
operands: 31
28ExprTuple42, 44
29ExprTuple32, 33
30Literal
31ExprTuple34, 35
32Operationoperator: 38
operand: 42
33Operationoperator: 40
operands: 37
34Operationoperator: 38
operand: 44
35Operationoperator: 40
operands: 41
36ExprTuple42
37ExprTuple46, 43
38Literal
39ExprTuple44
40Literal
41ExprTuple45, 46
42Variable
43Variable
44Variable
45Variable
46Variable