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Expression of type Conditional

from the theory of proveit.linear_algebra.tensors

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, K, V, m, n
from proveit.linear_algebra import TensorExp, VecSpaces
from proveit.logic import And, CartExp, Forall, InSet, SubsetEq
from proveit.numbers import Mult, NaturalPos
In [2]:
# build up the expression from sub-expressions
expr = Conditional(Forall(instance_param_or_params = [V], instance_expr = SubsetEq(TensorExp(CartExp(V, m), n), CartExp(V, Mult(m, n))), domain = VecSpaces(K)), And(InSet(m, NaturalPos), InSet(n, NaturalPos)))
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\{\forall_{V \underset{{\scriptscriptstyle c}}{\in} \textrm{VecSpaces}\left(K\right)}~\left((V^{m})^{\otimes n} \subseteq V^{m \cdot n}\right) \textrm{ if } m \in \mathbb{N}^+ ,  n \in \mathbb{N}^+\right..
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
condition_delimiter'comma' or 'and'commacomma('with_comma_delimiter', 'with_conjunction_delimiter')
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Conditionalvalue: 1
condition: 2
1Operationoperator: 3
operand: 7
2Operationoperator: 5
operands: 6
3Literal
4ExprTuple7
5Literal
6ExprTuple8, 9
7Lambdaparameter: 37
body: 11
8Operationoperator: 13
operands: 12
9Operationoperator: 13
operands: 14
10ExprTuple37
11Conditionalvalue: 15
condition: 16
12ExprTuple38, 17
13Literal
14ExprTuple39, 17
15Operationoperator: 18
operands: 19
16Operationoperator: 20
operands: 21
17Literal
18Literal
19ExprTuple22, 23
20Literal
21ExprTuple37, 24
22Operationoperator: 25
operands: 26
23Operationoperator: 33
operands: 27
24Operationoperator: 28
operand: 32
25Literal
26ExprTuple30, 39
27ExprTuple37, 31
28Literal
29ExprTuple32
30Operationoperator: 33
operands: 34
31Operationoperator: 35
operands: 36
32Variable
33Literal
34ExprTuple37, 38
35Literal
36ExprTuple38, 39
37Variable
38Variable
39Variable