Description: Atoms in a Hilbert lattice are the elements that cover the zero subspace. Definition of atom in Kalmbach p. 15. (Contributed by NM, 9-Jun-2004) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | ela | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq2 | |
|
2 | df-at | |
|
3 | 1 2 | elrab2 | |