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| Mirrors > Home > MPE Home > Th. List > harcl | Structured version Visualization version GIF version | ||
| Description: Values of the Hartogs function are ordinals (closure of the Hartogs function in the ordinals). (Contributed by Stefan O'Rear, 11-Feb-2015.) |
| Ref | Expression |
|---|---|
| harcl | ⊢ (har‘𝑋) ∈ On |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | harf 9559 | . 2 ⊢ har:V⟶On | |
| 2 | 0elon 6421 | . 2 ⊢ ∅ ∈ On | |
| 3 | 1, 2 | f0cli 7103 | 1 ⊢ (har‘𝑋) ∈ On |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2144 Vcvv 3450 Oncon0 6365 ‘cfv 6543 harchar 9557 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5327 ax-pr 5391 ax-un 7755 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3848 df-ss 3897 df-pss 4013 df-dif 4046 df-in 4090 df-un 4150 df-nul 4278 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-op 4835 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6307 df-ord 6368 df-on 6369 df-lim 6370 df-suc 6371 df-iota 6497 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-isom 6552 df-riota 7381 df-ov 7427 df-2nd 8006 df-frecs 8306 df-wrecs 8337 df-recs 8386 df-en 8981 df-dom 8982 df-oi 9511 df-har 9558 |
| This theorem is used by: harndom 9563 harcard 10066 harsdom 10083 onsdom 10084 harval2 10085 alephon 10155 dfac12lem2 10230 dfac12r 10232 hsmexlem9 10510 hsmexlem6 10516 pwcfsdom 10675 pwfseq 10756 gchaleph2 10764 hargch 10765 gchhar 10771 gchacg 10772 dfac16 35814 ttac 44152 isnumbasgrplem2 44215 isnumbasabl 44217 |
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