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Mirrors > Home > MPE Home > Th. List > id1 | Structured version Visualization version GIF version |
Description: Alias for idALT 23
that may be referenced in some older works, and kept
here to prevent broken links.
If you landed here, please let the originating site and/or us know that the link that made you land here should be changed to a link to idALT 23. (Contributed by NM, 30-Sep-1992.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
id1 | ⊢ (𝜑 → 𝜑) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | idALT 23 | 1 ⊢ (𝜑 → 𝜑) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 |
This theorem is referenced by: (None) |
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