![]() |
Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > ILE Home > Th. List > 3eqtr4rd | Unicode version |
Description: A deduction from three chained equalities. (Contributed by NM, 21-Sep-1995.) |
Ref | Expression |
---|---|
3eqtr4d.1 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
3eqtr4d.2 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
3eqtr4d.3 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Ref | Expression |
---|---|
3eqtr4rd |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 3eqtr4d.3 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
2 | 3eqtr4d.1 |
. . 3
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
3 | 1, 2 | eqtr4d 2225 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
4 | 3eqtr4d.2 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
5 | 3, 4 | eqtr4d 2225 |
1
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Copyright terms: Public domain | W3C validator |