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, k
from proveit.numbers import Add, Interval, Mult, Sum, frac, one, two

# build up the expression from sub-expressions
expr = ExprTuple(Sum(index_or_indices = [k], summand = k, domain = Interval(one, one)), frac(Mult(one, Add(one, one)), two))

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_{k = 1}^{1} k, \frac{1 \cdot \left(1 + 1\right)}{2}\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: 3 operand: 7
2	Operation	operator: 5 operands: 6
3	Literal
4	ExprTuple	7
5	Literal
6	ExprTuple	8, 9
7	Lambda	parameter: 19 body: 11
8	Operation	operator: 12 operands: 13
9	Literal
10	ExprTuple	19
11	Conditional	value: 19 condition: 14
12	Literal
13	ExprTuple	23, 15
14	Operation	operator: 16 operands: 17
15	Operation	operator: 18 operands: 22
16	Literal
17	ExprTuple	19, 20
18	Literal
19	Variable
20	Operation	operator: 21 operands: 22
21	Literal
22	ExprTuple	23, 23
23	Literal