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Mirrors > Home > MPE Home > Th. List > 1wlkdlem3 | Structured version Visualization version GIF version |
Description: Lemma 3 for 1wlkd 29903. (Contributed by AV, 22-Jan-2021.) |
Ref | Expression |
---|---|
1wlkd.p | ⊢ 𝑃 = ⟨“𝑋𝑌”⟩ |
1wlkd.f | ⊢ 𝐹 = ⟨“𝐽”⟩ |
1wlkd.x | ⊢ (𝜑 → 𝑋 ∈ 𝑉) |
1wlkd.y | ⊢ (𝜑 → 𝑌 ∈ 𝑉) |
1wlkd.l | ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → (𝐼‘𝐽) = {𝑋}) |
1wlkd.j | ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → {𝑋, 𝑌} ⊆ (𝐼‘𝐽)) |
Ref | Expression |
---|---|
1wlkdlem3 | ⊢ (𝜑 → 𝐹 ∈ Word dom 𝐼) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 1wlkd.p | . . 3 ⊢ 𝑃 = ⟨“𝑋𝑌”⟩ | |
2 | 1wlkd.f | . . 3 ⊢ 𝐹 = ⟨“𝐽”⟩ | |
3 | 1wlkd.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝑉) | |
4 | 1wlkd.y | . . 3 ⊢ (𝜑 → 𝑌 ∈ 𝑉) | |
5 | 1wlkd.l | . . 3 ⊢ ((𝜑 ∧ 𝑋 = 𝑌) → (𝐼‘𝐽) = {𝑋}) | |
6 | 1wlkd.j | . . 3 ⊢ ((𝜑 ∧ 𝑋 ≠ 𝑌) → {𝑋, 𝑌} ⊆ (𝐼‘𝐽)) | |
7 | 1, 2, 3, 4, 5, 6 | 1wlkdlem2 29900 | . 2 ⊢ (𝜑 → 𝑋 ∈ (𝐼‘𝐽)) |
8 | elfvdm 6922 | . 2 ⊢ (𝑋 ∈ (𝐼‘𝐽) → 𝐽 ∈ dom 𝐼) | |
9 | s1cl 14558 | . . 3 ⊢ (𝐽 ∈ dom 𝐼 → ⟨“𝐽”⟩ ∈ Word dom 𝐼) | |
10 | 2, 9 | eqeltrid 2831 | . 2 ⊢ (𝐽 ∈ dom 𝐼 → 𝐹 ∈ Word dom 𝐼) |
11 | 7, 8, 10 | 3syl 18 | 1 ⊢ (𝜑 → 𝐹 ∈ Word dom 𝐼) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1533 ∈ wcel 2098 ≠ wne 2934 ⊆ wss 3943 {csn 4623 {cpr 4625 dom cdm 5669 ‘cfv 6537 Word cword 14470 ⟨“cs1 14551 ⟨“cs2 14798 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2163 ax-ext 2697 ax-rep 5278 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7722 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-nel 3041 df-ral 3056 df-rex 3065 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4903 df-iun 4992 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5567 df-eprel 5573 df-po 5581 df-so 5582 df-fr 5624 df-we 5626 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-pred 6294 df-ord 6361 df-on 6362 df-lim 6363 df-suc 6364 df-iota 6489 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7853 df-1st 7974 df-2nd 7975 df-frecs 8267 df-wrecs 8298 df-recs 8372 df-rdg 8411 df-er 8705 df-en 8942 df-dom 8943 df-sdom 8944 df-pnf 11254 df-mnf 11255 df-xr 11256 df-ltxr 11257 df-le 11258 df-sub 11450 df-neg 11451 df-nn 12217 df-n0 12477 df-z 12563 df-uz 12827 df-fz 13491 df-fzo 13634 df-word 14471 df-s1 14552 |
This theorem is referenced by: 1wlkd 29903 |
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