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In [1]:
import proveit
# Automation is not needed when only building an expression:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%load_theorem_expr # Load the stored theorem expression as 'stored_expr'
# import the special expression
from proveit.core_expr_types.tuples import len_of_ranges_with_repeated_indices_from_1
In [2]:
# check that the built expression is the same as the stored expression
assert len_of_ranges_with_repeated_indices_from_1.expr == stored_expr
assert len_of_ranges_with_repeated_indices_from_1.expr._style_id == stored_expr._style_id
print("Passed sanity check: len_of_ranges_with_repeated_indices_from_1 matches stored_expr")
Passed sanity check: len_of_ranges_with_repeated_indices_from_1 matches stored_expr
In [3]:
# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())
\forall_{n \in \mathbb{N}^+}~\left[\forall_{f_{1}, f_{2}, \ldots, f_{n}, i~|~i \in \mathbb{N}}~\left(\begin{array}{c} \begin{array}{l} |\left(f_{1}\left(1\right), f_{1}\left(2\right), \ldots, f_{1}\left(i\right), f_{2}\left(1\right), f_{2}\left(2\right), \ldots, f_{2}\left(i\right), \ldots\ldots, f_{n}\left(1\right), f_{n}\left(2\right), \ldots, f_{n}\left(i\right)\right)| \\  = \left(n \cdot i\right) \end{array} \end{array}\right)\right]
In [4]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
with_wrappingIf 'True', wrap the Expression after the parametersNoneNone/False('with_wrapping',)
condition_wrappingWrap 'before' or 'after' the condition (or None).NoneNone/False('with_wrap_after_condition', 'with_wrap_before_condition')
wrap_paramsIf 'True', wraps every two parameters AND wraps the Expression after the parametersNoneNone/False('with_params',)
justificationjustify to the 'left', 'center', or 'right' in the array cellscentercenter('with_justification',)
In [5]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 7
operand: 2
1ExprTuple2
2Lambdaparameter: 32
body: 4
3ExprTuple32
4Conditionalvalue: 5
condition: 6
5Operationoperator: 7
operand: 10
6Operationoperator: 20
operands: 9
7Literal
8ExprTuple10
9ExprTuple32, 11
10Lambdaparameters: 12
body: 13
11Literal
12ExprTuple14, 36
13Conditionalvalue: 15
condition: 16
14ExprRangelambda_map: 17
start_index: 35
end_index: 32
15Operationoperator: 18
operands: 19
16Operationoperator: 20
operands: 21
17Lambdaparameter: 42
body: 22
18Literal
19ExprTuple23, 24
20Literal
21ExprTuple36, 25
22IndexedVarvariable: 40
index: 42
23Operationoperator: 26
operands: 27
24Operationoperator: 28
operands: 29
25Literal
26Literal
27ExprTuple30
28Literal
29ExprTuple32, 36
30ExprRangelambda_map: 31
start_index: 35
end_index: 32
31Lambdaparameter: 43
body: 33
32Variable
33ExprRangelambda_map: 34
start_index: 35
end_index: 36
34Lambdaparameter: 42
body: 37
35Literal
36Variable
37Operationoperator: 38
operand: 42
38IndexedVarvariable: 40
index: 43
39ExprTuple42
40Variable
41ExprTuple43
42Variable
43Variable