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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 9519 | . 2 ⊢ har:V⟶On | |
| 2 | 0elon 6417 | . 2 ⊢ ∅ ∈ On | |
| 3 | 1, 2 | f0cli 7094 | 1 ⊢ (har‘𝑋) ∈ On |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2149 Vcvv 3463 Oncon0 6361 ‘cfv 6537 harchar 9517 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-se 5616 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-isom 6546 df-riota 7368 df-ov 7414 df-2nd 7986 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-en 8943 df-dom 8944 df-oi 9471 df-har 9518 |
| This theorem is referenced by: harndom 9523 harcard 9963 harsdom 9980 onsdom 9981 harval2 9982 alephon 10052 dfac12lem2 10127 dfac12r 10129 hsmexlem9 10408 hsmexlem6 10414 pwcfsdom 10567 pwfseq 10648 gchaleph2 10656 hargch 10657 gchhar 10663 gchacg 10664 ttac 43654 isnumbasgrplem2 43722 isnumbasabl 43724 |
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