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Expression of type ExprTuple

from the theory of proveit.logic.sets.enumeration

In [1]:
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
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(a_1_to_i, x, b_1_to_j, x, c_1_to_k)
expr:
In [3]:
# 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
In [4]:
# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())
\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)
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
wrap_positionsposition(s) at which wrapping is to occur; 'n' is after the nth comma.()()('with_wrapping_at',)
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'leftleft('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1, 3, 2, 3, 4
1ExprRangelambda_map: 5
start_index: 10
end_index: 6
2ExprRangelambda_map: 7
start_index: 10
end_index: 8
3Variable
4ExprRangelambda_map: 9
start_index: 10
end_index: 11
5Lambdaparameter: 19
body: 12
6Variable
7Lambdaparameter: 19
body: 13
8Variable
9Lambdaparameter: 19
body: 14
10Literal
11Variable
12IndexedVarvariable: 15
index: 19
13IndexedVarvariable: 16
index: 19
14IndexedVarvariable: 17
index: 19
15Variable
16Variable
17Variable
18ExprTuple19
19Variable