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Mirrors > Home > MPE Home > Th. List > ax13dgen4 | Structured version Visualization version Unicode version |
Description: Degenerate instance of ax-13 2246 where bundled variables , , and have a common substitution. Uses only Tarski's FOL axiom schemes. (Contributed by NM, 13-Apr-2017.) Reduce axiom usage. (Revised by Wolf Lammen, 10-Oct-2021.) |
Ref | Expression |
---|---|
ax13dgen4 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pm2.21 120 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wn 3 wi 4 wal 1481 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem is referenced by: (None) |
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