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Mirrors > Home > NFE Home > Th. List > tlenc1c | GIF version |
Description: A T-raising is less than or equal to the cardinality of cardinal one. (Contributed by SF, 16-Mar-2015.) |
Ref | Expression |
---|---|
tlenc1c | ⊢ (M ∈ NC → Tc M ≤c Nc 1c) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elncs 6120 | . 2 ⊢ (M ∈ NC ↔ ∃x M = Nc x) | |
2 | tceq 6159 | . . . . 5 ⊢ (M = Nc x → Tc M = Tc Nc x) | |
3 | vex 2863 | . . . . . 6 ⊢ x ∈ V | |
4 | 3 | tcnc 6226 | . . . . 5 ⊢ Tc Nc x = Nc ℘1x |
5 | 2, 4 | syl6eq 2401 | . . . 4 ⊢ (M = Nc x → Tc M = Nc ℘1x) |
6 | 3 | pw1ex 4304 | . . . . . . 7 ⊢ ℘1x ∈ V |
7 | 6 | ncid 6124 | . . . . . 6 ⊢ ℘1x ∈ Nc ℘1x |
8 | 1cex 4143 | . . . . . . 7 ⊢ 1c ∈ V | |
9 | 8 | ncid 6124 | . . . . . 6 ⊢ 1c ∈ Nc 1c |
10 | pw1ss1c 4159 | . . . . . 6 ⊢ ℘1x ⊆ 1c | |
11 | sseq1 3293 | . . . . . . 7 ⊢ (y = ℘1x → (y ⊆ z ↔ ℘1x ⊆ z)) | |
12 | sseq2 3294 | . . . . . . 7 ⊢ (z = 1c → (℘1x ⊆ z ↔ ℘1x ⊆ 1c)) | |
13 | 11, 12 | rspc2ev 2964 | . . . . . 6 ⊢ ((℘1x ∈ Nc ℘1x ∧ 1c ∈ Nc 1c ∧ ℘1x ⊆ 1c) → ∃y ∈ Nc ℘1x∃z ∈ Nc 1cy ⊆ z) |
14 | 7, 9, 10, 13 | mp3an 1277 | . . . . 5 ⊢ ∃y ∈ Nc ℘1x∃z ∈ Nc 1cy ⊆ z |
15 | ncex 6118 | . . . . . 6 ⊢ Nc ℘1x ∈ V | |
16 | ncex 6118 | . . . . . 6 ⊢ Nc 1c ∈ V | |
17 | 15, 16 | brlec 6114 | . . . . 5 ⊢ ( Nc ℘1x ≤c Nc 1c ↔ ∃y ∈ Nc ℘1x∃z ∈ Nc 1cy ⊆ z) |
18 | 14, 17 | mpbir 200 | . . . 4 ⊢ Nc ℘1x ≤c Nc 1c |
19 | 5, 18 | syl6eqbr 4677 | . . 3 ⊢ (M = Nc x → Tc M ≤c Nc 1c) |
20 | 19 | exlimiv 1634 | . 2 ⊢ (∃x M = Nc x → Tc M ≤c Nc 1c) |
21 | 1, 20 | sylbi 187 | 1 ⊢ (M ∈ NC → Tc M ≤c Nc 1c) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∃wex 1541 = wceq 1642 ∈ wcel 1710 ∃wrex 2616 ⊆ wss 3258 1cc1c 4135 ℘1cpw1 4136 class class class wbr 4640 NC cncs 6089 ≤c clec 6090 Nc cnc 6092 Tc ctc 6094 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1546 ax-5 1557 ax-17 1616 ax-9 1654 ax-8 1675 ax-13 1712 ax-14 1714 ax-6 1729 ax-7 1734 ax-11 1746 ax-12 1925 ax-ext 2334 ax-nin 4079 ax-xp 4080 ax-cnv 4081 ax-1c 4082 ax-sset 4083 ax-si 4084 ax-ins2 4085 ax-ins3 4086 ax-typlower 4087 ax-sn 4088 |
This theorem depends on definitions: df-bi 177 df-or 359 df-an 360 df-3or 935 df-3an 936 df-nan 1288 df-tru 1319 df-ex 1542 df-nf 1545 df-sb 1649 df-eu 2208 df-mo 2209 df-clab 2340 df-cleq 2346 df-clel 2349 df-nfc 2479 df-ne 2519 df-ral 2620 df-rex 2621 df-reu 2622 df-rmo 2623 df-rab 2624 df-v 2862 df-sbc 3048 df-nin 3212 df-compl 3213 df-in 3214 df-un 3215 df-dif 3216 df-symdif 3217 df-ss 3260 df-pss 3262 df-nul 3552 df-if 3664 df-pw 3725 df-sn 3742 df-pr 3743 df-uni 3893 df-int 3928 df-opk 4059 df-1c 4137 df-pw1 4138 df-uni1 4139 df-xpk 4186 df-cnvk 4187 df-ins2k 4188 df-ins3k 4189 df-imak 4190 df-cok 4191 df-p6 4192 df-sik 4193 df-ssetk 4194 df-imagek 4195 df-idk 4196 df-iota 4340 df-0c 4378 df-addc 4379 df-nnc 4380 df-fin 4381 df-lefin 4441 df-ltfin 4442 df-ncfin 4443 df-tfin 4444 df-evenfin 4445 df-oddfin 4446 df-sfin 4447 df-spfin 4448 df-phi 4566 df-op 4567 df-proj1 4568 df-proj2 4569 df-opab 4624 df-br 4641 df-1st 4724 df-swap 4725 df-sset 4726 df-co 4727 df-ima 4728 df-si 4729 df-id 4768 df-xp 4785 df-cnv 4786 df-rn 4787 df-dm 4788 df-res 4789 df-fun 4790 df-fn 4791 df-f 4792 df-f1 4793 df-fo 4794 df-f1o 4795 df-2nd 4798 df-txp 5737 df-ins2 5751 df-ins3 5753 df-image 5755 df-ins4 5757 df-si3 5759 df-funs 5761 df-fns 5763 df-trans 5900 df-sym 5909 df-er 5910 df-ec 5948 df-qs 5952 df-en 6030 df-ncs 6099 df-lec 6100 df-nc 6102 df-tc 6104 |
This theorem is referenced by: (None) |
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