Expression of type ExprTuple

from the theory of proveit.core_expr_types

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 ExprRange, ExprTuple, Function, Variable, f, i, j
from proveit.numbers import Add, one

# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = Function(f, [sub_expr1])
sub_expr3 = Add(j, one)
expr = ExprTuple([ExprRange(sub_expr1, sub_expr2, i, sub_expr3)], [ExprRange(sub_expr1, sub_expr2, i, j), Function(f, [sub_expr3])])

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(f\left(i\right), f\left(i + 1\right), \ldots, f\left(j + 1\right)\right), \left(f\left(i\right), f\left(i + 1\right), \ldots, f\left(j\right), f\left(j + 1\right)\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	ExprTuple	3
2	ExprTuple	4, 5
3	ExprRange	lambda_map: 6 start_index: 7 end_index: 10
4	ExprRange	lambda_map: 6 start_index: 7 end_index: 16
5	Operation	operator: 11 operand: 10
6	Lambda	parameter: 15 body: 9
7	Variable
8	ExprTuple	10
9	Operation	operator: 11 operand: 15
10	Operation	operator: 13 operands: 14
11	Variable
12	ExprTuple	15
13	Literal
14	ExprTuple	16, 17
15	Variable
16	Variable
17	Literal