| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > alephfnon | Structured version Visualization version GIF version | ||
| Description: The aleph function is a function on the class of ordinal numbers. (Contributed by NM, 21-Oct-2003.) (Revised by Mario Carneiro, 13-Sep-2013.) |
| Ref | Expression |
|---|---|
| alephfnon | ⊢ ℵ Fn On |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | rdgfnon 8426 | . 2 ⊢ rec(har, ω) Fn On | |
| 2 | df-aleph 10021 | . . 3 ⊢ ℵ = rec(har, ω) | |
| 3 | 2 | fneq1i 6636 | . 2 ⊢ (ℵ Fn On ↔ rec(har, ω) Fn On) |
| 4 | 1, 3 | mpbir 234 | 1 ⊢ ℵ Fn On |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: Oncon0 6362 Fn wfn 6533 ωcom 7877 reccrdg 8417 harchar 9550 ℵcale 10017 |
| 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-pr 5390 ax-un 7751 |
| 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-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7423 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-aleph 10021 |
| This theorem is used by: alephon 10148 alephcard 10149 alephnbtwn 10150 alephgeom 10161 alephf1 10164 infenaleph 10170 isinfcard 10171 alephiso 10177 alephsmo 10181 alephf1ALT 10182 alephfplem1 10183 alephfplem3 10185 alephsing 10354 alephadd 10662 alephreg 10667 pwcfsdom 10668 cfpwsdom 10669 gch2 10760 gch3 10761 |
| Copyright terms: Public domain | W3C validator |