Expression of type ExprTuple

from the theory of proveit.core_expr_types.tuples

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
from proveit.core_expr_types import f_1_to_n, i_1_to_n, j_1_to_n

# build up the expression from sub-expressions
expr = ExprTuple(f_1_to_n, i_1_to_n, j_1_to_n)

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(f_{1}, f_{2}, \ldots, f_{n},i_{1}, i_{2}, \ldots, i_{n},j_{1}, j_{2}, \ldots, j_{n}\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, 3
1	ExprRange	lambda_map: 4 start_index: 7 end_index: 8
2	ExprRange	lambda_map: 5 start_index: 7 end_index: 8
3	ExprRange	lambda_map: 6 start_index: 7 end_index: 8
4	Lambda	parameter: 16 body: 9
5	Lambda	parameter: 16 body: 10
6	Lambda	parameter: 16 body: 11
7	Literal
8	Variable
9	IndexedVar	variable: 12 index: 16
10	IndexedVar	variable: 13 index: 16
11	IndexedVar	variable: 14 index: 16
12	Variable
13	Variable
14	Variable
15	ExprTuple	16
16	Variable