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Mirrors > Home > MPE Home > Th. List > dvdemo2 | Structured version Visualization version Unicode version |
Description: Demonstration of a theorem (scheme) that requires (meta)variables and to be distinct, but no others. It bundles the theorem schemes and . Compare dvdemo1 4902. (Contributed by NM, 1-Dec-2006.) |
Ref | Expression |
---|---|
dvdemo2 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | el 4847 | . 2 | |
2 | ax-1 6 | . 2 | |
3 | 1, 2 | eximii 1764 | 1 |
Colors of variables: wff setvar class |
Syntax hints: wi 4 wex 1704 |
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-8 1992 ax-9 1999 ax-11 2034 ax-12 2047 ax-13 2246 ax-pow 4843 |
This theorem depends on definitions: df-bi 197 df-an 386 df-ex 1705 |
This theorem is referenced by: (None) |
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