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Expression of type ExprTuple

from the theory of proveit.numbers.divisibility

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, Lambda, x
from proveit.core_expr_types import a_1_to_i
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda([a_1_to_i], x))
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(\left(a_{1}, a_{2}, \ldots, a_{i}\right) \mapsto x\right)
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1
1Lambdaparameters: 2
body: 3
2ExprTuple4
3Variable
4ExprRangelambda_map: 5
start_index: 6
end_index: 7
5Lambdaparameter: 11
body: 8
6Literal
7Variable
8IndexedVarvariable: 9
index: 11
9Variable
10ExprTuple11
11Variable