![]() |
Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > ILE Home > Th. List > equsb1 | Unicode version |
Description: Substitution applied to an atomic wff. (Contributed by NM, 5-Aug-1993.) |
Ref | Expression |
---|---|
equsb1 |
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sb2 1704 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
2 | id 19 |
. 2
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() | |
3 | 1, 2 | mpg 1392 |
1
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
Colors of variables: wff set class |
Syntax hints: ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-5 1388 ax-gen 1390 ax-ie1 1434 ax-ie2 1435 ax-4 1452 ax-i9 1475 ax-ial 1479 |
This theorem depends on definitions: df-bi 116 df-sb 1700 |
This theorem is referenced by: sbcocom 1899 elsb3 1907 elsb4 1908 pm13.183 2768 exss 4078 relelfvdm 5371 |
Copyright terms: Public domain | W3C validator |