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| Mirrors > Home > MPE Home > Th. List > limord | Structured version Visualization version GIF version | ||
| Description: A limit ordinal is ordinal. (Contributed by NM, 4-May-1995.) |
| Ref | Expression |
|---|---|
| limord | ⊢ (Lim 𝐴 → Ord 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-lim 6365 | . 2 ⊢ (Lim 𝐴 ↔ (Ord 𝐴 ∧ 𝐴 ≠ ∅ ∧ 𝐴 = ∪ 𝐴)) | |
| 2 | 1 | simp1bi 1162 | 1 ⊢ (Lim 𝐴 → Ord 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ≠ wne 2957 ∅c0 4285 ∪ cuni 4871 Ord word 6359 Lim wlim 6361 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
| This proof depends on definitions: df-bi 210 df-an 401 df-3an 1104 df-lim 6365 |
| This theorem is used by: limelon 6426 nlimsucg 7836 ordzsl 7839 limsuc 7843 limsssuc 7844 limomss 7865 trom 7869 limom 7876 tfr2b 8381 rdgsucg 8408 rdglimg 8410 rdglim2 8417 1ellim 8481 2ellim 8482 oesuclem 8508 odi 8562 omeulem1 8565 oelim2 8579 oeoalem 8580 oeoelem 8582 limenpsi 9138 limensuci 9139 ordtypelem3 9480 ordtypelem5 9482 ordtypelem6 9483 ordtypelem7 9484 ordtypelem9 9486 r1tr 9746 r1ordg 9748 r1ord3g 9749 r1pwss 9754 r1val1 9756 rankwflemb 9763 r1elwf 9766 rankr1ai 9768 rankr1ag 9772 rankr1bg 9773 unwf 9780 rankr1clem 9790 rankr1c 9791 rankval3b 9796 rankonidlem 9798 onssr1 9801 coflim 10251 cflim3 10252 cflim2 10253 cfss 10255 cfslb 10256 cfslbn 10257 cfslb2n 10258 r1limwun 10727 inar1 10766 oldlim 28091 rankfilimbi 35504 rankfilimb 35505 r1filimi 35506 rdgprc 36292 limsucncmpi 36984 limexissup 44036 limexissupab 44038 oaltublim 44045 omord2lim 44055 dflim5 44084 grur1cld 44984 |
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