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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-fmla | Structured version Visualization version Unicode version |
Description: Define the predicate which defines the set of valid Godel formulas. The parameter defines the maximum height of the formulas: the set is all formulas of the form or (which in our coding scheme is the set ; see df-sat 31325 for the full coding scheme), and each extra level adds to the complexity of the formulas in . is the set of all valid formulas. (Contributed by Mario Carneiro, 14-Jul-2013.) |
Ref | Expression |
---|---|
df-fmla |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cfmla 31319 | . 2 | |
2 | vn | . . 3 | |
3 | com 7065 | . . . 4 | |
4 | 3 | csuc 5725 | . . 3 |
5 | 2 | cv 1482 | . . . . 5 |
6 | c0 3915 | . . . . . 6 | |
7 | csat 31318 | . . . . . 6 | |
8 | 6, 6, 7 | co 6650 | . . . . 5 |
9 | 5, 8 | cfv 5888 | . . . 4 |
10 | 9 | cdm 5114 | . . 3 |
11 | 2, 4, 10 | cmpt 4729 | . 2 |
12 | 1, 11 | wceq 1483 | 1 |
Colors of variables: wff setvar class |
This definition is referenced by: (None) |
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