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Expression of type ExprTuple

from the theory of proveit.logic.booleans

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, C, ExprTuple
from proveit.logic import And, Boolean, Implies, InSet, Not
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(InSet(A, Boolean), And(Implies(A, C), Implies(Not(A), C)))
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 \in \mathbb{B}, \left(A \Rightarrow C\right) \land \left((\lnot A) \Rightarrow C\right)\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
1Operationoperator: 3
operands: 4
2Operationoperator: 5
operands: 6
3Literal
4ExprTuple17, 7
5Literal
6ExprTuple8, 9
7Literal
8Operationoperator: 11
operands: 10
9Operationoperator: 11
operands: 12
10ExprTuple17, 14
11Literal
12ExprTuple13, 14
13Operationoperator: 15
operand: 17
14Variable
15Literal
16ExprTuple17
17Variable