Description: Division into zero is zero. (Contributed by Thierry Arnoux, 18-Dec-2016)
Ref | Expression | ||
---|---|---|---|
Assertion | xdiv0rp | |- ( A e. RR+ -> ( 0 /e A ) = 0 ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rprene0 | |- ( A e. RR+ -> ( A e. RR /\ A =/= 0 ) ) |
|
2 | xdiv0 | |- ( ( A e. RR /\ A =/= 0 ) -> ( 0 /e A ) = 0 ) |
|
3 | 1 2 | syl | |- ( A e. RR+ -> ( 0 /e A ) = 0 ) |