Description: Ordering implies the modular pair property. Remark in MaedaMaeda p. 1. (Contributed by NM, 21-Jun-2004) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Assertion | ssmd1 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | inss1 | |
|
2 | dfss | |
|
3 | 2 | biimpi | |
4 | 3 | oveq2d | |
5 | 1 4 | sseqtrid | |
6 | 5 | a1d | |
7 | 6 | ralrimivw | |
8 | mdbr2 | |
|
9 | 7 8 | imbitrrid | |
10 | 9 | 3impia | |