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Expression of type ExprTuple

from the theory of proveit.logic.booleans.conjunction

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 A, Conditional, ExprRange, ExprTuple, Lambda, Variable, n
from proveit.logic import And
from proveit.numbers import one
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda(A, Conditional(And(ExprRange(Variable("_a", latex_format = r"{_{-}a}"), A, one, n)), A)))
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 \mapsto \left\{A \land  A \land  ..\left(n - 3\right) \times.. \land  A \textrm{ if } A\right..\right)
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1
1Lambdaparameter: 12
body: 3
2ExprTuple12
3Conditionalvalue: 4
condition: 12
4Operationoperator: 5
operands: 6
5Literal
6ExprTuple7
7ExprRangelambda_map: 8
start_index: 9
end_index: 10
8Lambdaparameter: 13
body: 12
9Literal
10Variable
11ExprTuple13
12Variable
13Variable