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| Mirrors > Home > MPE Home > Th. List > alephsmo | Structured version Visualization version GIF version | ||
| Description: The aleph function is strictly monotone. (Contributed by Mario Carneiro, 15-Mar-2013.) |
| Ref | Expression |
|---|---|
| alephsmo | ⊢ Smo ℵ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ssid 3958 | . 2 ⊢ On ⊆ On | |
| 2 | ordon 7756 | . 2 ⊢ Ord On | |
| 3 | alephord2i 10030 | . . . 4 ⊢ (𝑥 ∈ On → (𝑦 ∈ 𝑥 → (ℵ‘𝑦) ∈ (ℵ‘𝑥))) | |
| 4 | 3 | ralrimiv 3152 | . . 3 ⊢ (𝑥 ∈ On → ∀𝑦 ∈ 𝑥 (ℵ‘𝑦) ∈ (ℵ‘𝑥)) |
| 5 | 4 | rgen 3077 | . 2 ⊢ ∀𝑥 ∈ On ∀𝑦 ∈ 𝑥 (ℵ‘𝑦) ∈ (ℵ‘𝑥) |
| 6 | alephfnon 10018 | . . . 4 ⊢ ℵ Fn On | |
| 7 | alephsson 10053 | . . . 4 ⊢ ran ℵ ⊆ On | |
| 8 | df-f 6521 | . . . 4 ⊢ (ℵ:On⟶On ↔ (ℵ Fn On ∧ ran ℵ ⊆ On)) | |
| 9 | 6, 7, 8 | mpbir2an 721 | . . 3 ⊢ ℵ:On⟶On |
| 10 | issmo2 8315 | . . 3 ⊢ (ℵ:On⟶On → ((On ⊆ On ∧ Ord On ∧ ∀𝑥 ∈ On ∀𝑦 ∈ 𝑥 (ℵ‘𝑦) ∈ (ℵ‘𝑥)) → Smo ℵ)) | |
| 11 | 9, 10 | ax-mp 5 | . 2 ⊢ ((On ⊆ On ∧ Ord On ∧ ∀𝑥 ∈ On ∀𝑦 ∈ 𝑥 (ℵ‘𝑦) ∈ (ℵ‘𝑥)) → Smo ℵ) |
| 12 | 1, 2, 5, 11 | mp3an 1481 | 1 ⊢ Smo ℵ |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ w3a 1097 ∈ wcel 2141 ∀wral 3075 ⊆ wss 3904 ran crn 5646 Ord word 6341 Oncon0 6342 Fn wfn 6512 ⟶wf 6513 ‘cfv 6517 Smo wsmo 8311 ℵcale 9891 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5226 ax-sep 5245 ax-nul 5255 ax-pow 5321 ax-pr 5389 ax-un 7714 ax-inf2 9593 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4865 df-int 4905 df-iun 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5540 df-eprel 5545 df-po 5553 df-so 5554 df-fr 5598 df-se 5599 df-we 5600 df-xp 5651 df-rel 5652 df-cnv 5653 df-co 5654 df-dm 5655 df-rn 5656 df-res 5657 df-ima 5658 df-pred 6284 df-ord 6345 df-on 6346 df-lim 6347 df-suc 6348 df-iota 6473 df-fun 6519 df-fn 6520 df-f 6521 df-f1 6522 df-fo 6523 df-f1o 6524 df-fv 6525 df-isom 6526 df-riota 7349 df-ov 7395 df-om 7843 df-2nd 7967 df-frecs 8257 df-wrecs 8288 df-smo 8312 df-recs 8337 df-rdg 8376 df-1o 8432 df-er 8673 df-en 8924 df-dom 8925 df-sdom 8926 df-fin 8927 df-oi 9455 df-har 9502 df-card 9894 df-aleph 9895 |
| This theorem is referenced by: alephf1ALT 10056 alephsing 10230 |
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