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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 6382 | . 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 2959 ∅c0 4281 ∪ cuni 4870 Ord word 6376 Lim wlim 6378 |
| 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 6382 |
| This theorem is used by: limelon 6443 nlimsucg 7874 ordzsl 7877 limsuc 7881 limsssuc 7882 limomss 7903 trom 7907 limom 7914 tfr2b 8429 rdgsucg 8456 rdglimg 8458 rdglim2 8465 1ellim 8531 2ellim 8532 oesuclem 8558 odi 8612 omeulem1 8615 oelim2 8629 oeoalem 8630 oeoelem 8632 limenpsi 9196 limensuci 9197 ordtypelem3 9538 ordtypelem5 9540 ordtypelem6 9541 ordtypelem7 9542 ordtypelem9 9544 rnr1 9798 r1tr 9807 r1ordg 9809 r1ord3g 9810 r1pwss 9815 r1val1 9817 rankwflembOLD 9825 r1elwf 9828 rankr1ai 9830 rankr1ag 9834 rankr1bg 9835 unwf 9842 rankr1clem 9853 rankr1c 9854 rankval3b 9860 rankonidlem 9862 onssr1 9867 rankfilimbi 9926 r1filimi 9927 coflim 10363 cflim3 10364 cflim2 10365 cfss 10367 cfslb 10368 cfslbn 10369 cfslb2n 10370 r1limwun 10845 inar1 10884 oldlim 28300 rankfilimb 35809 rdgprc 36733 limsucncmpi 37410 limexissup 44473 limexissupab 44475 oaltublim 44482 omord2lim 44492 dflim5 44521 grur1cld 45420 |
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