Description: Membership in a contracted interval. (Contributed by Jeff Madsen, 2-Sep-2009)
Ref | Expression | ||
---|---|---|---|
Hypotheses | icccntri.1 | |
|
icccntri.2 | |
||
icccntri.3 | |
||
icccntri.4 | |
||
icccntri.5 | |
||
Assertion | icccntri | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | icccntri.1 | |
|
2 | icccntri.2 | |
|
3 | icccntri.3 | |
|
4 | icccntri.4 | |
|
5 | icccntri.5 | |
|
6 | iccssre | |
|
7 | 1 2 6 | mp2an | |
8 | 7 | sseli | |
9 | 4 5 | icccntr | |
10 | 1 2 9 | mpanl12 | |
11 | 3 10 | mpan2 | |
12 | 11 | biimpd | |
13 | 8 12 | mpcom | |