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Expression of type ExprTuple

from the theory of proveit.linear_algebra.inner_products

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, H, K, x, y
from proveit.linear_algebra import InnerProd, InnerProdSpaces, VecSpaces
from proveit.logic import And, Forall, InClass, InSet
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(InClass(H, InnerProdSpaces(K)), And(InClass(H, VecSpaces(K)), Forall(instance_param_or_params = [x, y], instance_expr = InSet(InnerProd(x, y), K))))
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(H \underset{{\scriptscriptstyle c}}{\in} \textrm{InnerProdSpaces}\left(K\right), \left(H \underset{{\scriptscriptstyle c}}{\in} \textrm{VecSpaces}\left(K\right)\right) \land \left[\forall_{x, y}~\left(\left \langle x, y\right \rangle \in K\right)\right]\right)
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
wrap_positionsposition(s) at which wrapping is to occur; 'n' is after the nth comma.()()('with_wrapping_at',)
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'leftleft('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1, 2
1Operationoperator: 10
operands: 3
2Operationoperator: 4
operands: 5
3ExprTuple14, 6
4Literal
5ExprTuple7, 8
6Operationoperator: 9
operand: 23
7Operationoperator: 10
operands: 11
8Operationoperator: 12
operand: 16
9Literal
10Literal
11ExprTuple14, 15
12Literal
13ExprTuple16
14Variable
15Operationoperator: 17
operand: 23
16Lambdaparameters: 25
body: 19
17Literal
18ExprTuple23
19Operationoperator: 20
operands: 21
20Literal
21ExprTuple22, 23
22Operationoperator: 24
operands: 25
23Variable
24Literal
25ExprTuple26, 27
26Variable
27Variable