Description: Reverse closure of a lattice automorphism. (Contributed by NM, 25-May-2012) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypotheses | laut1o.b | ||
laut1o.i | |||
Assertion | lautcnvclN |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | laut1o.b | ||
2 | laut1o.i | ||
3 | 1 2 | laut1o | |
4 | f1ocnvdm | ||
5 | 3 4 | sylan |