Metamath Proof Explorer


Theorem rr-grothprim

Description: An equivalent of ax-groth using only primitives. This uses only 123 symbols, which is significantly less than the previous record of 163 established by grothprim (which uses some defined symbols, and requires 229 symbols if expanded to primitives). (Contributed by Rohan Ridenour, 13-Aug-2023)

Ref Expression
Assertion rr-grothprim ¬ ∀ 𝑦 ( 𝑥𝑦 → ¬ ∀ 𝑧 ( 𝑧𝑦 → ∀ 𝑓 ¬ ∀ 𝑤 ( 𝑤𝑦 → ¬ ∀ 𝑣 ¬ ( ( ∀ 𝑡 ( 𝑡𝑣𝑡𝑧 ) → ¬ ( 𝑣𝑦 → ¬ 𝑣𝑤 ) ) → ¬ ∀ 𝑖 ( 𝑖𝑧 → ( 𝑣𝑦 → ( 𝑖𝑣 → ( 𝑣𝑓 → ¬ ∀ 𝑢 ( 𝑢𝑓 → ( 𝑖𝑢 → ¬ ∀ 𝑜 ( 𝑜𝑢 → ∀ 𝑠 ( 𝑠𝑜𝑠𝑤 ) ) ) ) ) ) ) ) ) ) ) )

Proof

Step Hyp Ref Expression
1 gruex 𝑦 ∈ Univ 𝑥𝑦
2 1 ax-gen 𝑥𝑦 ∈ Univ 𝑥𝑦
3 rr-grothprimbi ( ∀ 𝑥𝑦 ∈ Univ 𝑥𝑦 ↔ ∀ 𝑥 ¬ ∀ 𝑦 ( 𝑥𝑦 → ¬ ∀ 𝑧 ( 𝑧𝑦 → ∀ 𝑓 ¬ ∀ 𝑤 ( 𝑤𝑦 → ¬ ∀ 𝑣 ¬ ( ( ∀ 𝑡 ( 𝑡𝑣𝑡𝑧 ) → ¬ ( 𝑣𝑦 → ¬ 𝑣𝑤 ) ) → ¬ ∀ 𝑖 ( 𝑖𝑧 → ( 𝑣𝑦 → ( 𝑖𝑣 → ( 𝑣𝑓 → ¬ ∀ 𝑢 ( 𝑢𝑓 → ( 𝑖𝑢 → ¬ ∀ 𝑜 ( 𝑜𝑢 → ∀ 𝑠 ( 𝑠𝑜𝑠𝑤 ) ) ) ) ) ) ) ) ) ) ) ) )
4 2 3 mpbi 𝑥 ¬ ∀ 𝑦 ( 𝑥𝑦 → ¬ ∀ 𝑧 ( 𝑧𝑦 → ∀ 𝑓 ¬ ∀ 𝑤 ( 𝑤𝑦 → ¬ ∀ 𝑣 ¬ ( ( ∀ 𝑡 ( 𝑡𝑣𝑡𝑧 ) → ¬ ( 𝑣𝑦 → ¬ 𝑣𝑤 ) ) → ¬ ∀ 𝑖 ( 𝑖𝑧 → ( 𝑣𝑦 → ( 𝑖𝑣 → ( 𝑣𝑓 → ¬ ∀ 𝑢 ( 𝑢𝑓 → ( 𝑖𝑢 → ¬ ∀ 𝑜 ( 𝑜𝑢 → ∀ 𝑠 ( 𝑠𝑜𝑠𝑤 ) ) ) ) ) ) ) ) ) ) ) )
5 4 spi ¬ ∀ 𝑦 ( 𝑥𝑦 → ¬ ∀ 𝑧 ( 𝑧𝑦 → ∀ 𝑓 ¬ ∀ 𝑤 ( 𝑤𝑦 → ¬ ∀ 𝑣 ¬ ( ( ∀ 𝑡 ( 𝑡𝑣𝑡𝑧 ) → ¬ ( 𝑣𝑦 → ¬ 𝑣𝑤 ) ) → ¬ ∀ 𝑖 ( 𝑖𝑧 → ( 𝑣𝑦 → ( 𝑖𝑣 → ( 𝑣𝑓 → ¬ ∀ 𝑢 ( 𝑢𝑓 → ( 𝑖𝑢 → ¬ ∀ 𝑜 ( 𝑜𝑢 → ∀ 𝑠 ( 𝑠𝑜𝑠𝑤 ) ) ) ) ) ) ) ) ) ) ) )