Expression of type Forall

from the theory of proveit.logic.booleans.disjunction

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 C, l, m, n
from proveit.core_expr_types import A_1_to_l, B_1_to_m, D_1_to_n
from proveit.logic import Boolean, Equals, Forall, Or
from proveit.numbers import Natural

# build up the expression from sub-expressions
expr = Forall(instance_param_or_params = [l, m, n], instance_expr = Forall(instance_param_or_params = [A_1_to_l, B_1_to_m, C, D_1_to_n], instance_expr = Equals(Or(A_1_to_l, B_1_to_m, C, D_1_to_n), Or(A_1_to_l, C, B_1_to_m, D_1_to_n)).with_wrapping_at(2), domain = Boolean), domain = Natural)

expr:

# 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

# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())

\forall_{l, m, n \in \mathbb{N}}~\left[\forall_{A_{1}, A_{2}, \ldots, A_{l}, B_{1}, B_{2}, \ldots, B_{m}, C, D_{1}, D_{2}, \ldots, D_{n} \in \mathbb{B}}~\left(\begin{array}{c} \begin{array}{l} \left(A_{1} \lor  A_{2} \lor  \ldots \lor  A_{l}\lor B_{1} \lor  B_{2} \lor  \ldots \lor  B_{m} \lor C\lor D_{1} \lor  D_{2} \lor  \ldots \lor  D_{n}\right) =  \\ \left(A_{1} \lor  A_{2} \lor  \ldots \lor  A_{l} \lor C\lor B_{1} \lor  B_{2} \lor  \ldots \lor  B_{m}\lor D_{1} \lor  D_{2} \lor  \ldots \lor  D_{n}\right) \end{array} \end{array}\right)\right]

stored_expr.style_options()

name	description	default	current value	related methods
with_wrapping	If 'True', wrap the Expression after the parameters	None	None/False	('with_wrapping',)
condition_wrapping	Wrap 'before' or 'after' the condition (or None).	None	None/False	('with_wrap_after_condition', 'with_wrap_before_condition')
wrap_params	If 'True', wraps every two parameters AND wraps the Expression after the parameters	None	None/False	('with_params',)
justification	justify to the 'left', 'center', or 'right' in the array cells	center	center	('with_justification',)

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	Operation	operator: 7 operand: 2
1	ExprTuple	2
2	Lambda	parameters: 3 body: 4
3	ExprTuple	46, 48, 51
4	Conditional	value: 5 condition: 6
5	Operation	operator: 7 operand: 10
6	Operation	operator: 23 operands: 9
7	Literal
8	ExprTuple	10
9	ExprTuple	11, 12, 13
10	Lambda	parameters: 31 body: 14
11	Operation	operator: 54 operands: 15
12	Operation	operator: 54 operands: 16
13	Operation	operator: 54 operands: 17
14	Conditional	value: 18 condition: 19
15	ExprTuple	46, 20
16	ExprTuple	48, 20
17	ExprTuple	51, 20
18	Operation	operator: 21 operands: 22
19	Operation	operator: 23 operands: 24
20	Literal
21	Literal
22	ExprTuple	25, 26
23	Literal
24	ExprTuple	27, 28, 29, 30
25	Operation	operator: 32 operands: 31
26	Operation	operator: 32 operands: 33
27	ExprRange	lambda_map: 34 start_index: 50 end_index: 46
28	ExprRange	lambda_map: 35 start_index: 50 end_index: 48
29	Operation	operator: 54 operands: 36
30	ExprRange	lambda_map: 37 start_index: 50 end_index: 51
31	ExprTuple	38, 39, 43, 40
32	Literal
33	ExprTuple	38, 43, 39, 40
34	Lambda	parameter: 64 body: 41
35	Lambda	parameter: 64 body: 42
36	ExprTuple	43, 59
37	Lambda	parameter: 64 body: 44
38	ExprRange	lambda_map: 45 start_index: 50 end_index: 46
39	ExprRange	lambda_map: 47 start_index: 50 end_index: 48
40	ExprRange	lambda_map: 49 start_index: 50 end_index: 51
41	Operation	operator: 54 operands: 52
42	Operation	operator: 54 operands: 53
43	Variable
44	Operation	operator: 54 operands: 55
45	Lambda	parameter: 64 body: 56
46	Variable
47	Lambda	parameter: 64 body: 57
48	Variable
49	Lambda	parameter: 64 body: 58
50	Literal
51	Variable
52	ExprTuple	56, 59
53	ExprTuple	57, 59
54	Literal
55	ExprTuple	58, 59
56	IndexedVar	variable: 60 index: 64
57	IndexedVar	variable: 61 index: 64
58	IndexedVar	variable: 62 index: 64
59	Literal
60	Variable
61	Variable
62	Variable
63	ExprTuple	64
64	Variable