Description: Diophantine set builder for membership in a fixed upper set of integers. (Contributed by Stefan O'Rear, 11-Oct-2014)
Ref | Expression | ||
---|---|---|---|
Assertion | eluzrabdioph | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | rabdiophlem1 | |
|
2 | eluz | |
|
3 | 2 | ex | |
4 | 3 | ralimdv | |
5 | 4 | imp | |
6 | 1 5 | sylan2 | |
7 | rabbi | |
|
8 | 6 7 | sylib | |
9 | 8 | 3adant1 | |
10 | ovex | |
|
11 | mzpconstmpt | |
|
12 | 10 11 | mpan | |
13 | lerabdioph | |
|
14 | 12 13 | syl3an2 | |
15 | 9 14 | eqeltrd | |