Description: Another common abbreviation for quantifier-free definitions. (Contributed by Scott Fenton, 21-Apr-2014)
Ref | Expression | ||
---|---|---|---|
Hypotheses | brtxpsd2.1 | |
|
brtxpsd2.2 | |
||
brtxpsd2.3 | |
||
brtxpsd2.4 | |
||
Assertion | brtxpsd2 | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brtxpsd2.1 | |
|
2 | brtxpsd2.2 | |
|
3 | brtxpsd2.3 | |
|
4 | brtxpsd2.4 | |
|
5 | 3 | breqi | |
6 | brdif | |
|
7 | 5 6 | bitri | |
8 | 4 7 | mpbiran | |
9 | 1 2 | brtxpsd | |
10 | 8 9 | bitri | |