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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 A, B, C, ExprTuple, Qx, fx, x
from proveit.numbers import Add
from proveit.statistics import ProbOfAll
In [2]:
# build up the expression from sub-expressions
sub_expr1 = [x]
expr = ExprTuple(ProbOfAll(instance_param_or_params = sub_expr1, instance_element = fx, domain = C, condition = Qx), Add(ProbOfAll(instance_param_or_params = sub_expr1, instance_element = fx, domain = A, condition = Qx), ProbOfAll(instance_param_or_params = sub_expr1, instance_element = fx, domain = B, condition = Qx)))
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(\textrm{Prob}_{x \in C~|~Q\left(x\right)}~f\left(x\right), \left[\textrm{Prob}_{x \in A~|~Q\left(x\right)}~f\left(x\right)\right] + \left[\textrm{Prob}_{x \in B~|~Q\left(x\right)}~f\left(x\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: 11
operand: 6
2Operationoperator: 4
operands: 5
3ExprTuple6
4Literal
5ExprTuple7, 8
6Lambdaparameter: 39
body: 9
7Operationoperator: 11
operand: 14
8Operationoperator: 11
operand: 15
9Conditionalvalue: 21
condition: 13
10ExprTuple14
11Literal
12ExprTuple15
13Operationoperator: 26
operands: 16
14Lambdaparameter: 39
body: 17
15Lambdaparameter: 39
body: 18
16ExprTuple19, 31
17Conditionalvalue: 21
condition: 20
18Conditionalvalue: 21
condition: 22
19Operationoperator: 33
operands: 23
20Operationoperator: 26
operands: 24
21Operationoperator: 25
operand: 39
22Operationoperator: 26
operands: 27
23ExprTuple39, 28
24ExprTuple29, 31
25Variable
26Literal
27ExprTuple30, 31
28Variable
29Operationoperator: 33
operands: 32
30Operationoperator: 33
operands: 34
31Operationoperator: 35
operand: 39
32ExprTuple39, 37
33Literal
34ExprTuple39, 38
35Variable
36ExprTuple39
37Variable
38Variable
39Variable