Expression of type ExprTuple

from the theory of proveit.physics.quantum.algebra

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, IndexedVar, Variable, c, f, j, m, n
from proveit.linear_algebra import MatrixSpace
from proveit.numbers import Complex, one

# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
expr = ExprTuple(Function(f, [ExprRange(sub_expr1, IndexedVar(c, sub_expr1), one, j)]), MatrixSpace(field = Complex, rows = n, columns = m))

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\left(c_{1}, c_{2}, \ldots, c_{j}\right), \mathbb{C}^{n \times m}\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 operands: 4
2	Operation	operator: 5 operands: 6
3	Variable
4	ExprTuple	7
5	Literal
6	NamedExprs	field: 8 rows: 9 columns: 10
7	ExprRange	lambda_map: 11 start_index: 12 end_index: 13
8	Literal
9	Variable
10	Variable
11	Lambda	parameter: 17 body: 14
12	Literal
13	Variable
14	IndexedVar	variable: 15 index: 17
15	Variable
16	ExprTuple	17
17	Variable