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Expression of type ExprTuple

from the theory of proveit.linear_algebra.addition

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, v, w, x, y, z
from proveit.linear_algebra import TensorProd, VecAdd
from proveit.logic import CartExp, Equals, InSet
from proveit.numbers import Real, three
In [2]:
# build up the expression from sub-expressions
sub_expr1 = TensorProd(y, z)
sub_expr2 = TensorProd(y, w)
sub_expr3 = TensorProd(y, v)
sub_expr4 = CartExp(Real, three)
sub_expr5 = TensorProd(x, VecAdd(sub_expr1, sub_expr2, sub_expr3))
expr = ExprTuple(InSet(sub_expr5, TensorProd(sub_expr4, TensorProd(sub_expr4, sub_expr4))), Equals(VecAdd(TensorProd(x, sub_expr1), TensorProd(x, sub_expr2), TensorProd(x, sub_expr3)), sub_expr5).with_wrapping_at(2))
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(x {\otimes} \left(\left(y {\otimes} z\right) + \left(y {\otimes} w\right) + \left(y {\otimes} v\right)\right)\right) \in \left(\mathbb{R}^{3} {\otimes} \left(\mathbb{R}^{3} {\otimes} \mathbb{R}^{3}\right)\right), \begin{array}{c} \begin{array}{l} \left(\left(x {\otimes} \left(y {\otimes} z\right)\right) + \left(x {\otimes} \left(y {\otimes} w\right)\right) + \left(x {\otimes} \left(y {\otimes} v\right)\right)\right) =  \\ \left(x {\otimes} \left(\left(y {\otimes} z\right) + \left(y {\otimes} w\right) + \left(y {\otimes} v\right)\right)\right) \end{array} \end{array}\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: 3
operands: 4
2Operationoperator: 5
operands: 6
3Literal
4ExprTuple9, 7
5Literal
6ExprTuple8, 9
7Operationoperator: 33
operands: 10
8Operationoperator: 22
operands: 11
9Operationoperator: 33
operands: 12
10ExprTuple24, 13
11ExprTuple14, 15, 16
12ExprTuple25, 17
13Operationoperator: 33
operands: 18
14Operationoperator: 33
operands: 19
15Operationoperator: 33
operands: 20
16Operationoperator: 33
operands: 21
17Operationoperator: 22
operands: 23
18ExprTuple24, 24
19ExprTuple25, 26
20ExprTuple25, 27
21ExprTuple25, 28
22Literal
23ExprTuple26, 27, 28
24Operationoperator: 29
operands: 30
25Variable
26Operationoperator: 33
operands: 31
27Operationoperator: 33
operands: 32
28Operationoperator: 33
operands: 34
29Literal
30ExprTuple35, 36
31ExprTuple39, 37
32ExprTuple39, 38
33Literal
34ExprTuple39, 40
35Literal
36Literal
37Variable
38Variable
39Variable
40Variable