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Mirrors > Home > MPE Home > Th. List > syl5eleq | Structured version Visualization version GIF version |
Description: A membership and equality inference. (Contributed by NM, 4-Jan-2006.) |
Ref | Expression |
---|---|
syl5eleq.1 | ⊢ 𝐴 ∈ 𝐵 |
syl5eleq.2 | ⊢ (𝜑 → 𝐵 = 𝐶) |
Ref | Expression |
---|---|
syl5eleq | ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | syl5eleq.1 | . . 3 ⊢ 𝐴 ∈ 𝐵 | |
2 | 1 | a1i 11 | . 2 ⊢ (𝜑 → 𝐴 ∈ 𝐵) |
3 | syl5eleq.2 | . 2 ⊢ (𝜑 → 𝐵 = 𝐶) | |
4 | 2, 3 | eleqtrd 2690 | 1 ⊢ (𝜑 → 𝐴 ∈ 𝐶) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∈ wcel 1977 |
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-ext 2590 |
This theorem depends on definitions: df-bi 196 df-an 385 df-ex 1696 df-cleq 2603 df-clel 2606 |
This theorem is referenced by: syl5eleqr 2695 opth1 4870 opth 4871 eqelsuc 5723 tfrlem11 7371 oalimcl 7527 omlimcl 7545 frgp0 17996 txdis 21245 ordtconlem1 29298 rankeq1o 31448 |
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