logo

Expression of type ExprTuple

from the theory of proveit.logic.booleans.disjunction

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 B, ExprTuple, m, n
from proveit.core_expr_types import A_1_to_m, C_1_to_n
from proveit.logic import Boolean, InSet, Or
from proveit.numbers import Natural
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(InSet(m, Natural), InSet(n, Natural), InSet(Or(A_1_to_m, B, C_1_to_n), Boolean))
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(m \in \mathbb{N}, n \in \mathbb{N}, \left(A_{1} \lor  A_{2} \lor  \ldots \lor  A_{m} \lor B\lor C_{1} \lor  C_{2} \lor  \ldots \lor  C_{n}\right) \in \mathbb{B}\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, 2, 3
1Operationoperator: 6
operands: 4
2Operationoperator: 6
operands: 5
3Operationoperator: 6
operands: 7
4ExprTuple17, 8
5ExprTuple20, 8
6Literal
7ExprTuple9, 10
8Literal
9Operationoperator: 11
operands: 12
10Literal
11Literal
12ExprTuple13, 14, 15
13ExprRangelambda_map: 16
start_index: 19
end_index: 17
14Variable
15ExprRangelambda_map: 18
start_index: 19
end_index: 20
16Lambdaparameter: 26
body: 21
17Variable
18Lambdaparameter: 26
body: 22
19Literal
20Variable
21IndexedVarvariable: 23
index: 26
22IndexedVarvariable: 24
index: 26
23Variable
24Variable
25ExprTuple26
26Variable