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Expression of type LessEq

from the theory of proveit.numbers.summation

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, fa, fx, x
from proveit.numbers import Add, Integrate, Interval, IntervalCC, LessEq, Sum
In [2]:
# build up the expression from sub-expressions
sub_expr1 = [x]
expr = LessEq(Sum(index_or_indices = sub_expr1, summand = fx, domain = Interval(a, b)), Add(fa, Integrate(index_or_indices = sub_expr1, integrand = fx, domain = IntervalCC(a, b))))
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(\sum_{x = a}^{b} f\left(x\right)\right) \leq \left(f\left(a\right) + \left(\int_{a}^{b} f\left(x\right)\,dx\right)\right)
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
operation'infix' or 'function' style formattinginfixinfix
wrap_positionsposition(s) at which wrapping is to occur; '2 n - 1' is after the nth operand, '2 n' is after the nth operation.()()('with_wrapping_at', 'with_wrap_before_operator', 'with_wrap_after_operator', 'without_wrapping', 'wrap_positions')
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'centercenter('with_justification',)
directionDirection of the relation (normal or reversed)normalnormal('with_direction_reversed', 'is_reversed')
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 1
operands: 2
1Literal
2ExprTuple3, 4
3Operationoperator: 5
operand: 9
4Operationoperator: 7
operands: 8
5Literal
6ExprTuple9
7Literal
8ExprTuple10, 11
9Lambdaparameter: 28
body: 12
10Operationoperator: 24
operand: 32
11Operationoperator: 14
operand: 17
12Conditionalvalue: 21
condition: 16
13ExprTuple32
14Literal
15ExprTuple17
16Operationoperator: 26
operands: 18
17Lambdaparameter: 28
body: 19
18ExprTuple28, 20
19Conditionalvalue: 21
condition: 22
20Operationoperator: 23
operands: 31
21Operationoperator: 24
operand: 28
22Operationoperator: 26
operands: 27
23Literal
24Variable
25ExprTuple28
26Literal
27ExprTuple28, 29
28Variable
29Operationoperator: 30
operands: 31
30Literal
31ExprTuple32, 33
32Variable
33Variable