Description: Property of a strong classical state. (Contributed by NM, 24-Oct-1999) (New usage is discouraged.)
Ref | Expression | ||
---|---|---|---|
Hypotheses | stcltr1.1 | |
|
stcltr1.2 | |
||
Assertion | stcltr2i | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | stcltr1.1 | |
|
2 | stcltr1.2 | |
|
3 | ax-1 | |
|
4 | helch | |
|
5 | 1 4 2 | stcltr1i | |
6 | 3 5 | syl5 | |
7 | 2 | chssii | |
8 | eqss | |
|
9 | 7 8 | mpbiran | |
10 | 6 9 | syl6ibr | |