Description: Membership in a left-closed right-open interval. (Contributed by Glauco Siliprandi, 11-Dec-2019)
Ref | Expression | ||
---|---|---|---|
Hypotheses | elicod.a | |
|
elicod.b | |
||
elicod.3 | |
||
elicod.4 | |
||
elicod.5 | |
||
Assertion | elicod | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elicod.a | |
|
2 | elicod.b | |
|
3 | elicod.3 | |
|
4 | elicod.4 | |
|
5 | elicod.5 | |
|
6 | elico1 | |
|
7 | 1 2 6 | syl2anc | |
8 | 3 4 5 7 | mpbir3and | |