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, i
from proveit.numbers import Add, DecimalSequence, Interval, Sum, nine, one, subtract, two, zero

# build up the expression from sub-expressions
sub_expr1 = [i]
expr = ExprTuple(Sum(index_or_indices = sub_expr1, summand = Add(i, one), domain = Interval(zero, nine)), Sum(index_or_indices = sub_expr1, summand = subtract(i, one), domain = Interval(two, DecimalSequence(one, one))))

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(\sum_{i = 0}^{9} \left(i + 1\right), \sum_{i = 2}^{11} \left(i - 1\right)\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: 4 operand: 6
2	Operation	operator: 4 operand: 7
3	ExprTuple	6
4	Literal
5	ExprTuple	7
6	Lambda	parameter: 23 body: 8
7	Lambda	parameter: 23 body: 10
8	Conditional	value: 11 condition: 12
9	ExprTuple	23
10	Conditional	value: 13 condition: 14
11	Operation	operator: 17 operands: 15
12	Operation	operator: 19 operands: 16
13	Operation	operator: 17 operands: 18
14	Operation	operator: 19 operands: 20
15	ExprTuple	23, 36
16	ExprTuple	23, 21
17	Literal
18	ExprTuple	23, 22
19	Literal
20	ExprTuple	23, 24
21	Operation	operator: 28 operands: 25
22	Operation	operator: 26 operand: 36
23	Variable
24	Operation	operator: 28 operands: 29
25	ExprTuple	30, 31
26	Literal
27	ExprTuple	36
28	Literal
29	ExprTuple	32, 33
30	Literal
31	Literal
32	Literal
33	Operation	operator: 34 operands: 35
34	Literal
35	ExprTuple	36, 36
36	Literal