Expression of type ExprTuple

from the theory of proveit.numbers.summation

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, m, x
from proveit.numbers import Add, Exp, one, subtract, two

# build up the expression from sub-expressions
sub_expr1 = Exp(x, Add(m, one))
sub_expr2 = Exp(x, Add(two, m))
expr = ExprTuple(Add(subtract(one, sub_expr1), subtract(sub_expr1, sub_expr2)), subtract(one, sub_expr2))

expr:

# 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

# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())

\left(\left(1 - x^{m + 1}\right) + \left(x^{m + 1} - x^{2 + m}\right), 1 - x^{2 + m}\right)

stored_expr.style_options()

name	description	default	current value	related methods
wrap_positions	position(s) at which wrapping is to occur; 'n' is after the nth comma.	()	()	('with_wrapping_at',)
justification	if any wrap positions are set, justify to the 'left', 'center', or 'right'	left	left	('with_justification',)

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	ExprTuple	1, 2
1	Operation	operator: 23 operands: 3
2	Operation	operator: 23 operands: 4
3	ExprTuple	5, 6
4	ExprTuple	25, 10
5	Operation	operator: 23 operands: 7
6	Operation	operator: 23 operands: 8
7	ExprTuple	25, 9
8	ExprTuple	14, 10
9	Operation	operator: 12 operand: 14
10	Operation	operator: 12 operand: 15
11	ExprTuple	14
12	Literal
13	ExprTuple	15
14	Operation	operator: 17 operands: 16
15	Operation	operator: 17 operands: 18
16	ExprTuple	20, 19
17	Literal
18	ExprTuple	20, 21
19	Operation	operator: 23 operands: 22
20	Variable
21	Operation	operator: 23 operands: 24
22	ExprTuple	27, 25
23	Literal
24	ExprTuple	26, 27
25	Literal
26	Literal
27	Variable