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Expression of type ExprTuple

from the theory of proveit.logic.sets.membership

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, a
from proveit.logic import And, NotEquals, TRUE
from proveit.numbers import Add, five, one, three
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(And(NotEquals(a, one), NotEquals(a, Add(one, three)), NotEquals(a, three)), And(NotEquals(five, one), TRUE, NotEquals(five, three)))
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 \neq 1\right) \land \left(a \neq \left(1 + 3\right)\right) \land \left(a \neq 3\right), \left(5 \neq 1\right) \land \top \land \left(5 \neq 3\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: 4
operands: 3
2Operationoperator: 4
operands: 5
3ExprTuple6, 7, 8
4Literal
5ExprTuple9, 10, 11
6Operationoperator: 16
operands: 12
7Operationoperator: 16
operands: 13
8Operationoperator: 16
operands: 14
9Operationoperator: 16
operands: 15
10Literal
11Operationoperator: 16
operands: 17
12ExprTuple19, 23
13ExprTuple19, 18
14ExprTuple19, 24
15ExprTuple20, 23
16Literal
17ExprTuple20, 24
18Operationoperator: 21
operands: 22
19Variable
20Literal
21Literal
22ExprTuple23, 24
23Literal
24Literal