logo

Expression of type ExprTuple

from the theory of proveit.numbers.integration

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, S
from proveit.core_expr_types import P__x_1_to_n, x_1_to_n
from proveit.logic import Forall, InSet
from proveit.numbers import Integrate, Real
In [2]:
# build up the expression from sub-expressions
sub_expr1 = [x_1_to_n]
expr = ExprTuple(Forall(instance_param_or_params = sub_expr1, instance_expr = InSet(P__x_1_to_n, Real), domain = S), InSet(Integrate(index_or_indices = sub_expr1, integrand = P__x_1_to_n, domain = S), Real))
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_{x_{1}, x_{2}, \ldots, x_{n} \in S}~\left(P\left(x_{1}, x_{2}, \ldots, x_{n}\right) \in \mathbb{R}\right), \left[\int_{x_{1}, x_{2}, \ldots, x_{n} \in S}~P\left(x_{1}, x_{2}, \ldots, x_{n}\right)\right] \in \mathbb{R}\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
operand: 6
2Operationoperator: 29
operands: 5
3Literal
4ExprTuple6
5ExprTuple7, 15
6Lambdaparameters: 19
body: 8
7Operationoperator: 9
operand: 12
8Conditionalvalue: 11
condition: 17
9Literal
10ExprTuple12
11Operationoperator: 29
operands: 13
12Lambdaparameters: 19
body: 14
13ExprTuple16, 15
14Conditionalvalue: 16
condition: 17
15Literal
16Operationoperator: 18
operands: 19
17Operationoperator: 20
operands: 21
18Variable
19ExprTuple22
20Literal
21ExprTuple23
22ExprRangelambda_map: 24
start_index: 26
end_index: 27
23ExprRangelambda_map: 25
start_index: 26
end_index: 27
24Lambdaparameter: 35
body: 31
25Lambdaparameter: 35
body: 28
26Literal
27Variable
28Operationoperator: 29
operands: 30
29Literal
30ExprTuple31, 32
31IndexedVarvariable: 33
index: 35
32Variable
33Variable
34ExprTuple35
35Variable