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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 6367 | . 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 1569 ≠ wne 2955 ∅c0 4278 ∪ cuni 4866 Ord word 6361 Lim wlim 6363 |
| 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 6367 |
| This theorem is used by: limelon 6428 nlimsucg 7853 ordzsl 7856 limsuc 7860 limsssuc 7861 limomss 7882 trom 7886 limom 7893 tfr2b 8404 rdgsucg 8431 rdglimg 8433 rdglim2 8440 1ellim 8506 2ellim 8507 oesuclem 8533 odi 8587 omeulem1 8590 oelim2 8604 oeoalem 8605 oeoelem 8607 limenpsi 9171 limensuci 9172 ordtypelem3 9514 ordtypelem5 9516 ordtypelem6 9517 ordtypelem7 9518 ordtypelem9 9520 rnr1 9774 r1tr 9783 r1ordg 9785 r1ord3g 9786 r1pwss 9791 r1val1 9793 rankwflembOLD 9801 r1elwf 9804 rankr1ai 9806 rankr1ag 9810 rankr1bg 9811 unwf 9818 rankr1clem 9829 rankr1c 9830 rankval3b 9836 rankonidlem 9838 onssr1 9843 rankfilimbi 9902 r1filimi 9903 coflim 10339 cflim3 10340 cflim2 10341 cfss 10343 cfslb 10344 cfslbn 10345 cfslb2n 10346 r1limwun 10821 inar1 10860 oldlim 28273 rankfilimb 35728 rdgprc 36556 limsucncmpi 37233 limexissup 44283 limexissupab 44285 oaltublim 44292 omord2lim 44302 dflim5 44331 grur1cld 45230 |
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