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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, Lambda
from proveit.logic import Boolean, Forall, Implies, Not
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda(C, Forall(instance_param_or_params = [A], instance_expr = C, domain = Boolean, conditions = [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(C \mapsto \left[\forall_{A \in \mathbb{B}~|~A \Rightarrow C, (\lnot A) \Rightarrow C}~C\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: 21
body: 3
2ExprTuple21
3Operationoperator: 4
operand: 6
4Literal
5ExprTuple6
6Lambdaparameter: 24
body: 7
7Conditionalvalue: 21
condition: 8
8Operationoperator: 9
operands: 10
9Literal
10ExprTuple11, 12, 13
11Operationoperator: 14
operands: 15
12Operationoperator: 17
operands: 16
13Operationoperator: 17
operands: 18
14Literal
15ExprTuple24, 19
16ExprTuple24, 21
17Literal
18ExprTuple20, 21
19Literal
20Operationoperator: 22
operand: 24
21Variable
22Literal
23ExprTuple24
24Variable