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Expression of type ExprTuple

from the theory of proveit.numbers.number_sets.natural_numbers

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, m
from proveit.logic import Forall
from proveit.numbers import NaturalPos, P_mAddOne, Pm, Pone
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Pone, Forall(instance_param_or_params = [m], instance_expr = P_mAddOne, domain = NaturalPos, condition = Pm))
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(P\left(1\right), \forall_{m \in \mathbb{N}^+~|~P\left(m\right)}~P\left(m + 1\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: 20
operand: 22
2Operationoperator: 4
operand: 6
3ExprTuple22
4Literal
5ExprTuple6
6Lambdaparameter: 24
body: 7
7Conditionalvalue: 8
condition: 9
8Operationoperator: 20
operand: 13
9Operationoperator: 11
operands: 12
10ExprTuple13
11Literal
12ExprTuple14, 15
13Operationoperator: 16
operands: 17
14Operationoperator: 18
operands: 19
15Operationoperator: 20
operand: 24
16Literal
17ExprTuple24, 22
18Literal
19ExprTuple24, 23
20Variable
21ExprTuple24
22Literal
23Literal
24Variable