![]() |
Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
|
Mirrors > Home > MPE Home > Th. List > nnord | Structured version Visualization version GIF version |
Description: A natural number is ordinal. (Contributed by NM, 17-Oct-1995.) |
Ref | Expression |
---|---|
nnord | ⊢ (𝐴 ∈ ω → Ord 𝐴) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnon 7807 | . 2 ⊢ (𝐴 ∈ ω → 𝐴 ∈ On) | |
2 | eloni 6327 | . 2 ⊢ (𝐴 ∈ On → Ord 𝐴) | |
3 | 1, 2 | syl 17 | 1 ⊢ (𝐴 ∈ ω → Ord 𝐴) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∈ wcel 2106 Ord word 6316 Oncon0 6317 ωcom 7801 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-ext 2707 |
This theorem depends on definitions: df-bi 206 df-an 397 df-tru 1544 df-ex 1782 df-sb 2068 df-clab 2714 df-cleq 2728 df-clel 2814 df-ral 3065 df-rab 3408 df-v 3447 df-in 3917 df-ss 3927 df-uni 4866 df-tr 5223 df-po 5545 df-so 5546 df-fr 5588 df-we 5590 df-ord 6320 df-on 6321 df-om 7802 |
This theorem is referenced by: nnlim 7815 nnsuc 7819 omsucne 7820 nnaordi 8564 nnaord 8565 nnaword 8573 nnmord 8578 nnmwordi 8581 nnawordex 8583 omsmo 8603 eldifsucnn 8609 enrefnn 8990 dif1enlemOLD 9100 pssnn 9111 unfi 9115 phplem2 9151 php 9153 php4 9156 nndomog 9159 phplem1OLD 9160 phplem2OLD 9161 phplem3OLD 9162 phplem4OLD 9163 phpOLD 9165 nndomogOLD 9169 onomeneq 9171 ominf 9201 ominfOLD 9202 isinf 9203 isinfOLD 9204 pssnnOLD 9208 dif1ennnALT 9220 findcard3 9228 unblem1 9238 isfinite2 9244 unfilem1 9253 inf3lem5 9567 inf3lem6 9568 cantnfp1lem2 9614 cantnfp1lem3 9615 ttrcltr 9651 ttrclss 9655 dmttrcl 9656 rnttrcl 9657 ttrclselem2 9661 dif1card 9945 nnadju 10132 pwsdompw 10139 ackbij1lem5 10159 ackbij1lem14 10168 ackbij1lem16 10170 ackbij1b 10174 ackbij2 10178 sornom 10212 infpssrlem4 10241 infpssrlem5 10242 fin23lem26 10260 fin23lem23 10261 isf32lem2 10289 isf32lem3 10290 isf32lem4 10291 domtriomlem 10377 axdc3lem2 10386 axdc3lem4 10388 canthp1lem2 10588 elni2 10812 piord 10815 addnidpi 10836 indpi 10842 om2uzf1oi 13857 fzennn 13872 hashp1i 14302 bnj529 33344 bnj1098 33386 bnj570 33508 bnj594 33515 bnj580 33516 bnj967 33548 bnj1001 33562 bnj1053 33579 bnj1071 33580 nnuni 34289 hfun 34754 finminlem 34781 finxpsuclem 35859 finxpsuc 35860 wepwso 41348 dflim5 41641 |
Copyright terms: Public domain | W3C validator |