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Theorem ordtr1 6228
Description: Transitive law for ordinal classes. (Contributed by NM, 12-Dec-2004.)
Assertion
Ref Expression
ordtr1 (Ord 𝐶 → ((𝐴𝐵𝐵𝐶) → 𝐴𝐶))

Proof of Theorem ordtr1
StepHypRef Expression
1 ordtr 6199 . 2 (Ord 𝐶 → Tr 𝐶)
2 trel 5171 . 2 (Tr 𝐶 → ((𝐴𝐵𝐵𝐶) → 𝐴𝐶))
31, 2syl 17 1 (Ord 𝐶 → ((𝐴𝐵𝐵𝐶) → 𝐴𝐶))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 398  wcel 2110  Tr wtr 5164  Ord word 6184
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2157  ax-12 2173  ax-ext 2793
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-v 3496  df-in 3942  df-ss 3951  df-uni 4832  df-tr 5165  df-ord 6188
This theorem is referenced by:  ontr1  6231  dfsmo2  7978  smores2  7985  smoel  7991  smogt  7998  ordiso2  8973  r1ordg  9201  r1pwss  9207  r1val1  9209  rankr1ai  9221  rankval3b  9249  rankonidlem  9251  onssr1  9254  cofsmo  9685  fpwwe2lem9  10054  bnj1098  32050  bnj594  32179  nosepssdm  33185
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