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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 8404 | . 2 ⊢ rec(har, ω) Fn On | |
| 2 | df-aleph 9992 | . . 3 ⊢ ℵ = rec(har, ω) | |
| 3 | 2 | fneq1i 6624 | . 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 6351 Fn wfn 6522 ωcom 7860 reccrdg 8395 harchar 9528 ℵcale 9988 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pr 5390 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 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-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 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 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-ov 7411 df-2nd 7985 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-aleph 9992 |
| This theorem is used by: alephon 10119 alephcard 10120 alephnbtwn 10121 alephgeom 10132 alephf1 10135 infenaleph 10141 isinfcard 10142 alephiso 10148 alephsmo 10152 alephf1ALT 10153 alephfplem1 10154 alephfplem3 10156 alephsing 10325 alephadd 10633 alephreg 10638 pwcfsdom 10639 cfpwsdom 10640 gch2 10731 gch3 10732 |
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