| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > ordtr1 | Structured version Visualization version GIF version | ||
| Description: Transitive law for ordinal classes. (Contributed by NM, 12-Dec-2004.) |
| Ref | Expression |
|---|---|
| ordtr1 | ⊢ (Ord 𝐶 → ((𝐴 ∈ 𝐵 ∧ 𝐵 ∈ 𝐶) → 𝐴 ∈ 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ordtr 6371 | . 2 ⊢ (Ord 𝐶 → Tr 𝐶) | |
| 2 | trel 5220 | . 2 ⊢ (Tr 𝐶 → ((𝐴 ∈ 𝐵 ∧ 𝐵 ∈ 𝐶) → 𝐴 ∈ 𝐶)) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (Ord 𝐶 → ((𝐴 ∈ 𝐵 ∧ 𝐵 ∈ 𝐶) → 𝐴 ∈ 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∈ wcel 2145 Tr wtr 5212 Ord word 6356 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-ex 1813 df-sb 2100 df-clab 2739 df-cleq 2752 df-clel 2835 df-v 3452 df-ss 3916 df-uni 4868 df-tr 5213 df-ord 6360 |
| This theorem is used by: ontr1 6405 dfsmo2 8337 smores2 8344 smoel 8350 smogt 8357 ordiso2 9488 r1ordg 9761 r1pwss 9767 r1val1 9769 rankr1ai 9781 rankval3b 9809 rankonidlem 9811 onssr1 9814 cofsmo 10272 fpwwe2lem8 10648 nosepssdm 27923 bnj1098 35294 bnj594 35422 rankfilimb 35611 r1filimi 35612 |
| Copyright terms: Public domain | W3C validator |