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Mirrors > Home > QLE Home > Th. List > axoa4b | Unicode version |
Description: Proper 4-variable OA law variant. |
Ref | Expression |
---|---|
axoa4b |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | axoa4 1034 | . 2 | |
2 | 1 | oa4ctob 967 | 1 |
Colors of variables: term |
Syntax hints: wle 2 wo 6 wa 7 wi1 12 |
This theorem was proved from axioms: ax-a1 30 ax-a2 31 ax-a3 32 ax-a4 33 ax-a5 34 ax-r1 35 ax-r2 36 ax-r4 37 ax-r5 38 ax-r3 439 ax-4oa 1033 |
This theorem depends on definitions: df-b 39 df-a 40 df-t 41 df-f 42 df-i1 44 df-le1 130 df-le2 131 df-c1 132 df-c2 133 |
This theorem is referenced by: oa6 1036 |
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