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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 B, Conditional, ExprTuple, Lambda, m, n
from proveit.core_expr_types import A_1_to_m, C_1_to_n
from proveit.logic import And, Forall, InSet, Not
from proveit.numbers import Natural
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda([m, n], Conditional(Forall(instance_param_or_params = [A_1_to_m, B, C_1_to_n], instance_expr = Not(And(A_1_to_m, B, C_1_to_n)), condition = Not(B)), And(InSet(m, Natural), InSet(n, Natural)))))
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(m, n\right) \mapsto \left\{\forall_{A_{1}, A_{2}, \ldots, A_{m}, B, C_{1}, C_{2}, \ldots, C_{n}~|~\lnot B}~(\lnot \left(A_{1} \land  A_{2} \land  \ldots \land  A_{m} \land B\land C_{1} \land  C_{2} \land  \ldots \land  C_{n}\right)) \textrm{ if } m \in \mathbb{N} ,  n \in \mathbb{N}\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
1Lambdaparameters: 2
body: 3
2ExprTuple29, 32
3Conditionalvalue: 4
condition: 5
4Operationoperator: 6
operand: 9
5Operationoperator: 23
operands: 8
6Literal
7ExprTuple9
8ExprTuple10, 11
9Lambdaparameters: 24
body: 12
10Operationoperator: 14
operands: 13
11Operationoperator: 14
operands: 15
12Conditionalvalue: 16
condition: 17
13ExprTuple29, 18
14Literal
15ExprTuple32, 18
16Operationoperator: 20
operand: 22
17Operationoperator: 20
operand: 26
18Literal
19ExprTuple22
20Literal
21ExprTuple26
22Operationoperator: 23
operands: 24
23Literal
24ExprTuple25, 26, 27
25ExprRangelambda_map: 28
start_index: 31
end_index: 29
26Variable
27ExprRangelambda_map: 30
start_index: 31
end_index: 32
28Lambdaparameter: 38
body: 33
29Variable
30Lambdaparameter: 38
body: 34
31Literal
32Variable
33IndexedVarvariable: 35
index: 38
34IndexedVarvariable: 36
index: 38
35Variable
36Variable
37ExprTuple38
38Variable