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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
from proveit.core_expr_types import A_1_to_m, C_1_to_n, Q__b_1_to_j, b_1_to_j, f__b_1_to_j
from proveit.physics.quantum import Qmult
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda([b_1_to_j], Conditional(Qmult(A_1_to_m, f__b_1_to_j, C_1_to_n), Q__b_1_to_j)))
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(b_{1}, b_{2}, \ldots, b_{j}\right) \mapsto \left\{A_{1} \thinspace  A_{2} \thinspace  \ldots \thinspace  A_{m} \thinspace f\left(b_{1}, b_{2}, \ldots, b_{j}\right)\thinspace C_{1} \thinspace  C_{2} \thinspace  \ldots \thinspace  C_{n} \textrm{ if } Q\left(b_{1}, b_{2}, \ldots, b_{j}\right)\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: 14
body: 2
2Conditionalvalue: 3
condition: 4
3Operationoperator: 5
operands: 6
4Operationoperator: 7
operands: 14
5Literal
6ExprTuple8, 9, 10
7Variable
8ExprRangelambda_map: 11
start_index: 22
end_index: 12
9Operationoperator: 13
operands: 14
10ExprRangelambda_map: 15
start_index: 22
end_index: 16
11Lambdaparameter: 28
body: 17
12Variable
13Variable
14ExprTuple18
15Lambdaparameter: 28
body: 19
16Variable
17IndexedVarvariable: 20
index: 28
18ExprRangelambda_map: 21
start_index: 22
end_index: 23
19IndexedVarvariable: 24
index: 28
20Variable
21Lambdaparameter: 28
body: 25
22Literal
23Variable
24Variable
25IndexedVarvariable: 26
index: 28
26Variable
27ExprTuple28
28Variable