Expression of type ExprTuple

from the theory of proveit.logic.sets.enumeration

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, x
from proveit.core_expr_types import a_1_to_i, b_1_to_j, c_1_to_k
from proveit.logic import Set

# build up the expression from sub-expressions
expr = ExprTuple(Set(a_1_to_i, x, b_1_to_j, x, c_1_to_k), Set(a_1_to_i, x, b_1_to_j, c_1_to_k))

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\{a_{1}, a_{2}, \ldots, a_{i}, x,b_{1}, b_{2}, \ldots, b_{j}, x,c_{1}, c_{2}, \ldots, c_{k}\right\}, \left\{a_{1}, a_{2}, \ldots, a_{i}, x,b_{1}, b_{2}, \ldots, b_{j},c_{1}, c_{2}, \ldots, c_{k}\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 operands: 3
2	Operation	operator: 4 operands: 5
3	ExprTuple	6, 7, 8, 7, 9
4	Literal
5	ExprTuple	6, 7, 8, 9
6	ExprRange	lambda_map: 10 start_index: 15 end_index: 11
7	Variable
8	ExprRange	lambda_map: 12 start_index: 15 end_index: 13
9	ExprRange	lambda_map: 14 start_index: 15 end_index: 16
10	Lambda	parameter: 24 body: 17
11	Variable
12	Lambda	parameter: 24 body: 18
13	Variable
14	Lambda	parameter: 24 body: 19
15	Literal
16	Variable
17	IndexedVar	variable: 20 index: 24
18	IndexedVar	variable: 21 index: 24
19	IndexedVar	variable: 22 index: 24
20	Variable
21	Variable
22	Variable
23	ExprTuple	24
24	Variable