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Mirrors > Home > MPE Home > Th. List > hb3anOLD | Structured version Visualization version Unicode version |
Description: Obsolete proof of hb3an 2129 as of 6-Oct-2021. (Contributed by NM, 14-Sep-2003.) (Proof shortened by Wolf Lammen, 2-Jan-2018.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
hbOLD.1 | |
hbOLD.2 | |
hbOLD.3 |
Ref | Expression |
---|---|
hb3anOLD |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | hbOLD.1 | . . . 4 | |
2 | 1 | nfiOLD 1734 | . . 3 |
3 | hbOLD.2 | . . . 4 | |
4 | 3 | nfiOLD 1734 | . . 3 |
5 | hbOLD.3 | . . . 4 | |
6 | 5 | nfiOLD 1734 | . . 3 |
7 | 2, 4, 6 | nf3anOLD 2239 | . 2 |
8 | 7 | nfriOLD 2189 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 w3a 1037 wal 1481 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1722 ax-4 1737 ax-5 1839 ax-6 1888 ax-7 1935 ax-12 2047 |
This theorem depends on definitions: df-bi 197 df-an 386 df-3an 1039 df-ex 1705 df-nfOLD 1721 |
This theorem is referenced by: (None) |
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