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Expression of type ExprTuple

from the theory of proveit.linear_algebra.linear_maps

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 ExprTuple, K, Lambda, V, W
from proveit.linear_algebra import LinMap, VecSpaces
from proveit.logic import Forall, InClass
In [2]:
# build up the expression from sub-expressions
sub_expr1 = VecSpaces(K)
expr = ExprTuple(Lambda(K, Forall(instance_param_or_params = [V, W], instance_expr = InClass(LinMap(V, W), sub_expr1), domain = sub_expr1)))
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(K \mapsto \left[\forall_{V, W \underset{{\scriptscriptstyle c}}{\in} \textrm{VecSpaces}\left(K\right)}~\left(\mathcal{L}\left(V, W\right) \underset{{\scriptscriptstyle c}}{\in} \textrm{VecSpaces}\left(K\right)\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
1Lambdaparameter: 25
body: 2
2Operationoperator: 3
operand: 5
3Literal
4ExprTuple5
5Lambdaparameters: 16
body: 6
6Conditionalvalue: 7
condition: 8
7Operationoperator: 18
operands: 9
8Operationoperator: 10
operands: 11
9ExprTuple12, 22
10Literal
11ExprTuple13, 14
12Operationoperator: 15
operands: 16
13Operationoperator: 18
operands: 17
14Operationoperator: 18
operands: 19
15Literal
16ExprTuple20, 21
17ExprTuple20, 22
18Literal
19ExprTuple21, 22
20Variable
21Variable
22Operationoperator: 23
operand: 25
23Literal
24ExprTuple25
25Variable