Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > ordir | Unicode version |
Description: Distributive law for disjunction. (Contributed by NM, 12-Aug-1994.) |
Ref | Expression |
---|---|
ordir |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ordi 762 | . 2 | |
2 | orcom 679 | . 2 | |
3 | orcom 679 | . . 3 | |
4 | orcom 679 | . . 3 | |
5 | 3, 4 | anbi12i 447 | . 2 |
6 | 1, 2, 5 | 3bitr4i 210 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 102 wb 103 wo 661 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-io 662 |
This theorem depends on definitions: df-bi 115 |
This theorem is referenced by: orddi 766 pm5.62dc 886 dn1dc 901 suc11g 4300 bj-peano4 10750 |
Copyright terms: Public domain | W3C validator |