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| 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 8373 | . 2 ⊢ rec(har, ω) Fn On | |
| 2 | df-aleph 9884 | . . 3 ⊢ ℵ = rec(har, ω) | |
| 3 | 2 | fneq1i 6603 | . 2 ⊢ (ℵ Fn On ↔ rec(har, ω) Fn On) |
| 4 | 1, 3 | mpbir 233 | 1 ⊢ ℵ Fn On |
| Colors of variables: wff setvar class |
| Syntax hints: Oncon0 6331 Fn wfn 6501 ωcom 7831 reccrdg 8364 harchar 9490 ℵcale 9880 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1805 ax-4 1819 ax-5 1920 ax-6 1977 ax-7 2018 ax-8 2134 ax-9 2142 ax-10 2165 ax-11 2181 ax-12 2202 ax-ext 2724 ax-rep 5217 ax-sep 5236 ax-nul 5246 ax-pr 5380 ax-un 7703 |
| This theorem depends on definitions: df-bi 209 df-an 399 df-or 857 df-3or 1096 df-3an 1097 df-tru 1553 df-fal 1563 df-ex 1790 df-nf 1794 df-sb 2081 df-mo 2556 df-eu 2586 df-clab 2731 df-cleq 2744 df-clel 2827 df-nfc 2901 df-ne 2948 df-ral 3067 df-rex 3077 df-reu 3358 df-rab 3405 df-v 3446 df-sbc 3736 df-csb 3844 df-dif 3898 df-un 3900 df-in 3902 df-ss 3912 df-pss 3915 df-nul 4277 df-if 4471 df-pw 4547 df-sn 4573 df-pr 4575 df-op 4579 df-uni 4856 df-iun 4941 df-br 5091 df-opab 5153 df-mpt 5172 df-tr 5198 df-id 5531 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5589 df-we 5591 df-xp 5642 df-rel 5643 df-cnv 5644 df-co 5645 df-dm 5646 df-rn 5647 df-res 5648 df-ima 5649 df-pred 6273 df-ord 6334 df-on 6335 df-suc 6337 df-iota 6462 df-fun 6508 df-fn 6509 df-f 6510 df-f1 6511 df-fo 6512 df-f1o 6513 df-fv 6514 df-ov 7384 df-2nd 7956 df-frecs 8246 df-wrecs 8277 df-recs 8326 df-rdg 8365 df-aleph 9884 |
| This theorem is referenced by: alephon 10011 alephcard 10012 alephnbtwn 10013 alephgeom 10024 alephf1 10027 infenaleph 10033 isinfcard 10034 alephiso 10040 alephsmo 10044 alephf1ALT 10045 alephfplem1 10046 alephfplem3 10048 alephsing 10219 alephadd 10521 alephreg 10526 pwcfsdom 10527 cfpwsdom 10528 gch2 10619 gch3 10620 |
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