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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 8352 | . 2 ⊢ rec(har, ω) Fn On | |
| 2 | df-aleph 9857 | . . 3 ⊢ ℵ = rec(har, ω) | |
| 3 | 2 | fneq1i 6590 | . 2 ⊢ (ℵ Fn On ↔ rec(har, ω) Fn On) |
| 4 | 1, 3 | mpbir 231 | 1 ⊢ ℵ Fn On |
| Colors of variables: wff setvar class |
| Syntax hints: Oncon0 6318 Fn wfn 6488 ωcom 7811 reccrdg 8343 harchar 9466 ℵcale 9853 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5225 ax-sep 5242 ax-nul 5252 ax-pr 5378 ax-un 7683 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3062 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-iun 4949 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-ov 7364 df-2nd 7937 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-aleph 9857 |
| This theorem is referenced by: alephon 9984 alephcard 9985 alephnbtwn 9986 alephgeom 9997 alephf1 10000 infenaleph 10006 isinfcard 10007 alephiso 10013 alephsmo 10017 alephf1ALT 10018 alephfplem1 10019 alephfplem3 10021 alephsing 10191 alephadd 10493 alephreg 10498 pwcfsdom 10499 cfpwsdom 10500 gch2 10591 gch3 10592 |
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