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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 6357 | . 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 2955 ∅c0 4279 ∪ cuni 4867 Ord word 6351 Lim wlim 6353 |
| 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 6357 |
| This theorem is used by: limelon 6418 nlimsucg 7837 ordzsl 7840 limsuc 7844 limsssuc 7845 limomss 7866 trom 7870 limom 7877 tfr2b 8383 rdgsucg 8410 rdglimg 8412 rdglim2 8419 1ellim 8485 2ellim 8486 oesuclem 8512 odi 8566 omeulem1 8569 oelim2 8583 oeoalem 8584 oeoelem 8586 limenpsi 9150 limensuci 9151 ordtypelem3 9492 ordtypelem5 9494 ordtypelem6 9495 ordtypelem7 9496 ordtypelem9 9498 r1tr 9758 r1ordg 9760 r1ord3g 9761 r1pwss 9766 r1val1 9768 rankwflemb 9775 r1elwf 9778 rankr1ai 9780 rankr1ag 9784 rankr1bg 9785 unwf 9792 rankr1clem 9802 rankr1c 9803 rankval3b 9808 rankonidlem 9810 onssr1 9813 coflim 10296 cflim3 10297 cflim2 10298 cfss 10300 cfslb 10301 cfslbn 10302 cfslb2n 10303 r1limwun 10778 inar1 10817 oldlim 28192 rankfilimbi 35650 rankfilimb 35651 r1filimi 35652 rdgprc 36472 limsucncmpi 37149 limexissup 44220 limexissupab 44222 oaltublim 44229 omord2lim 44239 dflim5 44268 grur1cld 45168 |
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