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Mirrors > Home > MPE Home > Th. List > alephf1ALT | Structured version Visualization version GIF version |
Description: Alternate proof of alephf1 9496. (Contributed by Mario Carneiro, 15-Mar-2013.) (Proof modification is discouraged.) (New usage is discouraged.) |
Ref | Expression |
---|---|
alephf1ALT | ⊢ ℵ:On–1-1→On |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | alephfnon 9476 | . . 3 ⊢ ℵ Fn On | |
2 | alephon 9480 | . . . . 5 ⊢ (ℵ‘𝑥) ∈ On | |
3 | 2 | a1i 11 | . . . 4 ⊢ (𝑥 ∈ On → (ℵ‘𝑥) ∈ On) |
4 | 3 | rgen 3116 | . . 3 ⊢ ∀𝑥 ∈ On (ℵ‘𝑥) ∈ On |
5 | ffnfv 6859 | . . 3 ⊢ (ℵ:On⟶On ↔ (ℵ Fn On ∧ ∀𝑥 ∈ On (ℵ‘𝑥) ∈ On)) | |
6 | 1, 4, 5 | mpbir2an 710 | . 2 ⊢ ℵ:On⟶On |
7 | alephsmo 9513 | . 2 ⊢ Smo ℵ | |
8 | smo11 7984 | . 2 ⊢ ((ℵ:On⟶On ∧ Smo ℵ) → ℵ:On–1-1→On) | |
9 | 6, 7, 8 | mp2an 691 | 1 ⊢ ℵ:On–1-1→On |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2111 ∀wral 3106 Oncon0 6159 Fn wfn 6319 ⟶wf 6320 –1-1→wf1 6321 ‘cfv 6324 Smo wsmo 7965 ℵcale 9349 |
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 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-rep 5154 ax-sep 5167 ax-nul 5174 ax-pow 5231 ax-pr 5295 ax-un 7441 ax-inf2 9088 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1085 df-3an 1086 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-nfc 2938 df-ne 2988 df-ral 3111 df-rex 3112 df-reu 3113 df-rmo 3114 df-rab 3115 df-v 3443 df-sbc 3721 df-csb 3829 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-pss 3900 df-nul 4244 df-if 4426 df-pw 4499 df-sn 4526 df-pr 4528 df-tp 4530 df-op 4532 df-uni 4801 df-int 4839 df-iun 4883 df-br 5031 df-opab 5093 df-mpt 5111 df-tr 5137 df-id 5425 df-eprel 5430 df-po 5438 df-so 5439 df-fr 5478 df-se 5479 df-we 5480 df-xp 5525 df-rel 5526 df-cnv 5527 df-co 5528 df-dm 5529 df-rn 5530 df-res 5531 df-ima 5532 df-pred 6116 df-ord 6162 df-on 6163 df-lim 6164 df-suc 6165 df-iota 6283 df-fun 6326 df-fn 6327 df-f 6328 df-f1 6329 df-fo 6330 df-f1o 6331 df-fv 6332 df-isom 6333 df-riota 7093 df-om 7561 df-wrecs 7930 df-smo 7966 df-recs 7991 df-rdg 8029 df-er 8272 df-en 8493 df-dom 8494 df-sdom 8495 df-fin 8496 df-oi 8958 df-har 9005 df-card 9352 df-aleph 9353 |
This theorem is referenced by: (None) |
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