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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 6366 | . 2 ⊢ (Lim 𝐴 ↔ (Ord 𝐴 ∧ 𝐴 ≠ ∅ ∧ 𝐴 = ∪ 𝐴)) | |
| 2 | 1 | simp1bi 1163 | 1 ⊢ (Lim 𝐴 → Ord 𝐴) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ≠ wne 2957 ∅c0 4282 ∪ cuni 4870 Ord word 6360 Lim wlim 6362 |
| 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 402 df-3an 1105 df-lim 6366 |
| This theorem is used by: limelon 6427 nlimsucg 7841 ordzsl 7844 limsuc 7848 limsssuc 7849 limomss 7870 trom 7874 limom 7881 tfr2b 8388 rdgsucg 8415 rdglimg 8417 rdglim2 8424 1ellim 8488 2ellim 8489 oesuclem 8515 odi 8569 omeulem1 8572 oelim2 8586 oeoalem 8587 oeoelem 8589 limenpsi 9153 limensuci 9154 ordtypelem3 9495 ordtypelem5 9497 ordtypelem6 9498 ordtypelem7 9499 ordtypelem9 9501 r1tr 9761 r1ordg 9763 r1ord3g 9764 r1pwss 9769 r1val1 9771 rankwflemb 9778 r1elwf 9781 rankr1ai 9783 rankr1ag 9787 rankr1bg 9788 unwf 9795 rankr1clem 9805 rankr1c 9806 rankval3b 9811 rankonidlem 9813 onssr1 9816 coflim 10266 cflim3 10267 cflim2 10268 cfss 10270 cfslb 10271 cfslbn 10272 cfslb2n 10273 r1limwun 10748 inar1 10787 oldlim 28150 rankfilimbi 35596 rankfilimb 35597 r1filimi 35598 rdgprc 36358 limsucncmpi 37051 limexissup 44109 limexissupab 44111 oaltublim 44118 omord2lim 44128 dflim5 44157 grur1cld 45057 |
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