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Expression of type ExprTuple

from the theory of proveit.statistics

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, Omega, S
from proveit.logic import Difference, Equals, Forall, InClass, SubsetEq
from proveit.numbers import one, subtract
from proveit.statistics import Prob, SampleSpaces
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda(Omega, Conditional(Forall(instance_param_or_params = [S], instance_expr = Equals(Prob(Difference(Omega, S)), subtract(one, Prob(S))), condition = SubsetEq(S, Omega)), InClass(Omega, SampleSpaces))))
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(\Omega \mapsto \left\{\forall_{S~|~S \subseteq \Omega}~\left(\textrm{Pr}\left(\Omega - S\right) = \left(1 - \textrm{Pr}\left(S\right)\right)\right) \textrm{ if } \Omega \underset{{\scriptscriptstyle c}}{\in} \textrm{SampleSpaces}\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: 31
body: 3
2ExprTuple31
3Conditionalvalue: 4
condition: 5
4Operationoperator: 6
operand: 10
5Operationoperator: 8
operands: 9
6Literal
7ExprTuple10
8Literal
9ExprTuple31, 11
10Lambdaparameter: 35
body: 12
11Literal
12Conditionalvalue: 13
condition: 14
13Operationoperator: 15
operands: 16
14Operationoperator: 17
operands: 18
15Literal
16ExprTuple19, 20
17Literal
18ExprTuple35, 31
19Operationoperator: 33
operand: 24
20Operationoperator: 22
operands: 23
21ExprTuple24
22Literal
23ExprTuple25, 26
24Operationoperator: 27
operands: 28
25Literal
26Operationoperator: 29
operand: 32
27Literal
28ExprTuple31, 35
29Literal
30ExprTuple32
31Variable
32Operationoperator: 33
operand: 35
33Literal
34ExprTuple35
35Variable