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Mirrors > Home > MPE Home > Th. List > mpteq1i | Structured version Visualization version GIF version |
Description: An equality theorem for the maps to notation. (Contributed by Glauco Siliprandi, 17-Aug-2020.) |
Ref | Expression |
---|---|
mpteq1i.1 | ⊢ 𝐴 = 𝐵 |
Ref | Expression |
---|---|
mpteq1i | ⊢ (𝑥 ∈ 𝐴 ↦ 𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mpteq1i.1 | . 2 ⊢ 𝐴 = 𝐵 | |
2 | mpteq1 4665 | . 2 ⊢ (𝐴 = 𝐵 → (𝑥 ∈ 𝐴 ↦ 𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶)) | |
3 | 1, 2 | ax-mp 5 | 1 ⊢ (𝑥 ∈ 𝐴 ↦ 𝐶) = (𝑥 ∈ 𝐵 ↦ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1475 ↦ cmpt 4643 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-ral 2901 df-opab 4644 df-mpt 4645 |
This theorem is referenced by: sge0iunmptlemfi 39306 sge0iunmpt 39311 hoidmvlelem3 39487 smfmulc1 39681 wlknwwlksnbij2 41089 wlkwwlkbij2 41096 wwlksnextbij 41108 |
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