Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > MPE Home > Th. List > eldifsni | Structured version Visualization version Unicode version |
Description: Membership in a set with an element removed. (Contributed by NM, 10-Mar-2015.) |
Ref | Expression |
---|---|
eldifsni |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eldifsn 4317 | . 2 | |
2 | 1 | simprbi 480 | 1 |
Copyright terms: Public domain | W3C validator |