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Mirrors > Home > NFE Home > Th. List > imakeq1i | GIF version |
Description: Equality theorem for image. (Contributed by SF, 12-Jan-2015.) |
Ref | Expression |
---|---|
imakeq1i.1 | ⊢ A = B |
Ref | Expression |
---|---|
imakeq1i | ⊢ (A “k C) = (B “k C) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | imakeq1i.1 | . 2 ⊢ A = B | |
2 | imakeq1 4225 | . 2 ⊢ (A = B → (A “k C) = (B “k C)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (A “k C) = (B “k C) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1642 “k cimak 4180 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 ax-ext 2334 |
This theorem depends on definitions: df-bi 177 df-an 360 df-tru 1319 df-ex 1542 df-nf 1545 df-sb 1649 df-clab 2340 df-cleq 2346 df-clel 2349 df-rex 2621 df-imak 4190 |
This theorem is referenced by: (None) |
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