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Expression of type Add

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 m, x
from proveit.numbers import Add, Exp, Mult, frac, one, subtract, two
In [2]:
# build up the expression from sub-expressions
sub_expr1 = subtract(one, x)
sub_expr2 = Exp(x, Add(m, one))
expr = Add(Mult(frac(one, sub_expr1), subtract(one, sub_expr2)), frac(subtract(sub_expr2, Exp(x, Add(two, m))), sub_expr1))
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(\frac{1}{1 - x} \cdot \left(1 - x^{m + 1}\right)\right) + \frac{x^{m + 1} - x^{2 + m}}{1 - x}
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',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 32
operands: 1
1ExprTuple2, 3
2Operationoperator: 4
operands: 5
3Operationoperator: 10
operands: 6
4Literal
5ExprTuple7, 8
6ExprTuple9, 14
7Operationoperator: 10
operands: 11
8Operationoperator: 32
operands: 12
9Operationoperator: 32
operands: 13
10Literal
11ExprTuple34, 14
12ExprTuple34, 15
13ExprTuple21, 16
14Operationoperator: 32
operands: 17
15Operationoperator: 23
operand: 21
16Operationoperator: 23
operand: 22
17ExprTuple34, 20
18ExprTuple21
19ExprTuple22
20Operationoperator: 23
operand: 29
21Operationoperator: 26
operands: 25
22Operationoperator: 26
operands: 27
23Literal
24ExprTuple29
25ExprTuple29, 28
26Literal
27ExprTuple29, 30
28Operationoperator: 32
operands: 31
29Variable
30Operationoperator: 32
operands: 33
31ExprTuple36, 34
32Literal
33ExprTuple35, 36
34Literal
35Literal
36Variable