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Mirrors > Home > MPE Home > Th. List > tz7.48-3 | Structured version Visualization version GIF version |
Description: Proposition 7.48(3) of [TakeutiZaring] p. 51. (Contributed by NM, 9-Feb-1997.) |
Ref | Expression |
---|---|
tz7.48.1 | ⊢ 𝐹 Fn On |
Ref | Expression |
---|---|
tz7.48-3 | ⊢ (∀𝑥 ∈ On (𝐹‘𝑥) ∈ (𝐴 ∖ (𝐹 “ 𝑥)) → ¬ 𝐴 ∈ V) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tz7.48.1 | . . . . 5 ⊢ 𝐹 Fn On | |
2 | 1 | fndmi 6460 | . . . 4 ⊢ dom 𝐹 = On |
3 | onprc 7540 | . . . 4 ⊢ ¬ On ∈ V | |
4 | 2, 3 | eqneltri 2824 | . . 3 ⊢ ¬ dom 𝐹 ∈ V |
5 | 1 | tz7.48-2 8156 | . . . 4 ⊢ (∀𝑥 ∈ On (𝐹‘𝑥) ∈ (𝐴 ∖ (𝐹 “ 𝑥)) → Fun ◡𝐹) |
6 | funrnex 7705 | . . . . . 6 ⊢ (dom ◡𝐹 ∈ V → (Fun ◡𝐹 → ran ◡𝐹 ∈ V)) | |
7 | 6 | com12 32 | . . . . 5 ⊢ (Fun ◡𝐹 → (dom ◡𝐹 ∈ V → ran ◡𝐹 ∈ V)) |
8 | df-rn 5547 | . . . . . 6 ⊢ ran 𝐹 = dom ◡𝐹 | |
9 | 8 | eleq1i 2821 | . . . . 5 ⊢ (ran 𝐹 ∈ V ↔ dom ◡𝐹 ∈ V) |
10 | dfdm4 5749 | . . . . . 6 ⊢ dom 𝐹 = ran ◡𝐹 | |
11 | 10 | eleq1i 2821 | . . . . 5 ⊢ (dom 𝐹 ∈ V ↔ ran ◡𝐹 ∈ V) |
12 | 7, 9, 11 | 3imtr4g 299 | . . . 4 ⊢ (Fun ◡𝐹 → (ran 𝐹 ∈ V → dom 𝐹 ∈ V)) |
13 | 5, 12 | syl 17 | . . 3 ⊢ (∀𝑥 ∈ On (𝐹‘𝑥) ∈ (𝐴 ∖ (𝐹 “ 𝑥)) → (ran 𝐹 ∈ V → dom 𝐹 ∈ V)) |
14 | 4, 13 | mtoi 202 | . 2 ⊢ (∀𝑥 ∈ On (𝐹‘𝑥) ∈ (𝐴 ∖ (𝐹 “ 𝑥)) → ¬ ran 𝐹 ∈ V) |
15 | 1 | tz7.48-1 8157 | . . 3 ⊢ (∀𝑥 ∈ On (𝐹‘𝑥) ∈ (𝐴 ∖ (𝐹 “ 𝑥)) → ran 𝐹 ⊆ 𝐴) |
16 | ssexg 5201 | . . . 4 ⊢ ((ran 𝐹 ⊆ 𝐴 ∧ 𝐴 ∈ V) → ran 𝐹 ∈ V) | |
17 | 16 | ex 416 | . . 3 ⊢ (ran 𝐹 ⊆ 𝐴 → (𝐴 ∈ V → ran 𝐹 ∈ V)) |
18 | 15, 17 | syl 17 | . 2 ⊢ (∀𝑥 ∈ On (𝐹‘𝑥) ∈ (𝐴 ∖ (𝐹 “ 𝑥)) → (𝐴 ∈ V → ran 𝐹 ∈ V)) |
19 | 14, 18 | mtod 201 | 1 ⊢ (∀𝑥 ∈ On (𝐹‘𝑥) ∈ (𝐴 ∖ (𝐹 “ 𝑥)) → ¬ 𝐴 ∈ V) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∈ wcel 2112 ∀wral 3051 Vcvv 3398 ∖ cdif 3850 ⊆ wss 3853 ◡ccnv 5535 dom cdm 5536 ran crn 5537 “ cima 5539 Oncon0 6191 Fun wfun 6352 Fn wfn 6353 ‘cfv 6358 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1976 ax-7 2018 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2160 ax-12 2177 ax-ext 2708 ax-rep 5164 ax-sep 5177 ax-nul 5184 ax-pr 5307 ax-un 7501 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 848 df-3or 1090 df-3an 1091 df-tru 1546 df-fal 1556 df-ex 1788 df-nf 1792 df-sb 2073 df-mo 2539 df-eu 2568 df-clab 2715 df-cleq 2728 df-clel 2809 df-nfc 2879 df-ne 2933 df-ral 3056 df-rex 3057 df-reu 3058 df-rab 3060 df-v 3400 df-sbc 3684 df-csb 3799 df-dif 3856 df-un 3858 df-in 3860 df-ss 3870 df-pss 3872 df-nul 4224 df-if 4426 df-sn 4528 df-pr 4530 df-tp 4532 df-op 4534 df-uni 4806 df-iun 4892 df-br 5040 df-opab 5102 df-mpt 5121 df-tr 5147 df-id 5440 df-eprel 5445 df-po 5453 df-so 5454 df-fr 5494 df-we 5496 df-xp 5542 df-rel 5543 df-cnv 5544 df-co 5545 df-dm 5546 df-rn 5547 df-res 5548 df-ima 5549 df-ord 6194 df-on 6195 df-iota 6316 df-fun 6360 df-fn 6361 df-f 6362 df-f1 6363 df-fo 6364 df-f1o 6365 df-fv 6366 |
This theorem is referenced by: tz7.49 8159 |
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