Description: 2 is a nonzero real number. (Contributed by David A. Wheeler, 8-Dec-2018)
Ref | Expression | ||
---|---|---|---|
Assertion | 2rene0 | |- ( 2 e. RR /\ 2 =/= 0 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 2re | |- 2 e. RR |
|
2 | 2ne0 | |- 2 =/= 0 |
|
3 | 1 2 | pm3.2i | |- ( 2 e. RR /\ 2 =/= 0 ) |